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Let’s check out your problem:
Type the integer that makes the following addition sentence true:
\newline
1
+
_
_
_
_
_
=
9
1 + \_\_\_\_\_ = 9
1
+
_____
=
9
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Math Problems
Grade 7
Complete addition and subtraction equations with integers
Full solution
Q.
Type the integer that makes the following addition sentence true:
\newline
1
+
_
_
_
_
_
=
9
1 + \_\_\_\_\_ = 9
1
+
_____
=
9
Set up equation:
Step
1
1
1
: Set up the equation with
x
x
x
as the missing number.
1
+
x
=
9
1 + x = 9
1
+
x
=
9
Subtract to isolate x:
Step
2
2
2
: Subtract
1
1
1
from both sides to isolate
x
x
x
.
\newline
x
=
9
−
1
x = 9 - 1
x
=
9
−
1
\newline
x
=
8
x = 8
x
=
8
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