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Let’s check out your problem:
Solve:
2
2
2
(
2
2
2
x)+
5
5
5
y=
63
63
63
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Math Problems
Grade 8
Describe the graph of a linear equation
Full solution
Q.
Solve:
2
2
2
(
2
2
2
x)+
5
5
5
y=
63
63
63
Simplify Equation:
Simplify the equation by distributing the
2
2
2
into
(
2
x
)
(2x)
(
2
x
)
.
\newline
Calculation:
2
(
2
x
)
=
4
x
2(2x) = 4x
2
(
2
x
)
=
4
x
.
\newline
New equation:
4
x
+
5
y
=
63
4x + 5y = 63
4
x
+
5
y
=
63
.
Identify Equation Type:
Identify the type of equation.
\newline
Reasoning: The equation is in the form
A
x
+
B
y
=
C
Ax + By = C
A
x
+
B
y
=
C
, which is a standard form of a
linear equation
.
Determine Graph Type:
Determine the graph type.
\newline
Reasoning:
Linear equations
graph as straight lines.
Find Y-Intercept:
Find the
y-intercept
by setting
x
=
0
x = 0
x
=
0
.
\newline
Calculation:
4
(
0
)
+
5
y
=
63
4(0) + 5y = 63
4
(
0
)
+
5
y
=
63
;
5
y
=
63
5y = 63
5
y
=
63
;
y
=
63
5
y = \frac{63}{5}
y
=
5
63
;
y
=
12.6
y = 12.6
y
=
12.6
.
Find X-Intercept:
Find the x-intercept by setting
y
=
0
y = 0
y
=
0
. Calculation:
4
x
+
5
(
0
)
=
63
4x + 5(0) = 63
4
x
+
5
(
0
)
=
63
;
4
x
=
63
4x = 63
4
x
=
63
;
x
=
63
4
x = \frac{63}{4}
x
=
4
63
;
x
=
15.75
x = 15.75
x
=
15.75
.
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Question
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)
(0, 4)
(
0
,
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)
satisfy the equation
y
=
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y
=
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?
?
?
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\newline
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Line
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p
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q
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p
p
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q
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?
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\newline
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\newline
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Question
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\newline
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Question
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9
9
9
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(
9
,
9
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(
9
,
9
)
. What is its equation in point-slope form?
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