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Math Problems
Grade 7
Add and subtract linear expressions
Add.
\newline
(
9
m
+
1
)
+
(
5
m
+
4
)
(9m + 1) + (5m + 4)
(
9
m
+
1
)
+
(
5
m
+
4
)
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8
4
(
1
+
1
)
\frac{8}{4}(1+1)
4
8
(
1
+
1
)
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[
(
9
f
+
9
)
+
(
9
f
+
9
+
1
)
]
⋅
f
[(9f+9) + (9f+9+1)] \cdot f
[(
9
f
+
9
)
+
(
9
f
+
9
+
1
)]
⋅
f
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3
x
(
x
8
)
3x\left(\frac{x}{8}\right)
3
x
(
8
x
)
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Solve for
x
x
x
.
\newline
x
+
1
2
=
x
+
3
3
\frac{x+1}{2}=\frac{x+3}{3}
2
x
+
1
=
3
x
+
3
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(
2
x
+
2
)
(
3
x
+
5
)
(2 x+2)(3 x+5)
(
2
x
+
2
)
(
3
x
+
5
)
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simplify
2
x
(
5
x
+
4
)
2x(5x+4)
2
x
(
5
x
+
4
)
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Multiply.
(
x
+
4
)
(
x
+
5
)
(x+4)(x+5)
(
x
+
4
)
(
x
+
5
)
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Add.
\newline
(
6
y
+
1
)
+
(
y
+
4
)
(6y+1)+(y+4)
(
6
y
+
1
)
+
(
y
+
4
)
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Subtract.
\newline
(
3
h
+
6
)
−
(
3
h
+
2
)
(3h + 6) - (3h + 2)
(
3
h
+
6
)
−
(
3
h
+
2
)
\newline
____
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