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Let’s check out your problem:
Evaluate the expression for
q
=
−
0.7
q = -0.7
q
=
−
0.7
.
\newline
Write your answer as a decimal or
whole number
.
\newline
−
1
+
10
q
=
-1 + 10q =
−
1
+
10
q
=
_____
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Math Problems
Algebra 1
Evaluate variable expressions involving rational numbers
Full solution
Q.
Evaluate the expression for
q
=
−
0.7
q = -0.7
q
=
−
0.7
.
\newline
Write your answer as a decimal or whole number.
\newline
−
1
+
10
q
=
-1 + 10q =
−
1
+
10
q
=
_____
Substitute
q
q
q
:
Substitute the value of
q
q
q
into the expression.
\newline
Expression:
–
1
+
10
q
–1 + 10q
–1
+
10
q
\newline
Substitute
–
0.7
–0.7
–0.7
for
q
q
q
.
\newline
Expression after substitution:
–
1
+
10
(
–
0.7
)
–1 + 10(–0.7)
–1
+
10
(
–0.7
)
Multiply by
10
10
10
:
Multiply
10
10
10
by
−
0.7
-0.7
−
0.7
.
\newline
Calculation:
10
×
(
−
0.7
)
=
−
7
10 \times (-0.7) = -7
10
×
(
−
0.7
)
=
−
7
Add to
−
1
-1
−
1
:
Add the result of the multiplication to
–
1
–1
–1
.
\newline
Calculation:
–
1
+
(
–
7
)
=
–
1
–
7
=
–
8
–1 + (–7) = –1 – 7 = –8
–1
+
(
–7
)
=
–1–7
=
–8
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\newline
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