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Let’s check out your problem:
6
=
2
7
(
2
x
+
28
)
6=\frac{2}{7}(2x+28)
6
=
7
2
(
2
x
+
28
)
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Math Problems
Grade 7
Add and subtract fractions
Full solution
Q.
6
=
2
7
(
2
x
+
28
)
6=\frac{2}{7}(2x+28)
6
=
7
2
(
2
x
+
28
)
Multiply by
7
7
7
:
First, let's get rid of the fraction by multiplying both sides by
7
7
7
.
7
×
6
=
(
2
7
)
×
7
×
(
2
x
+
28
)
7 \times 6 = \left(\frac{2}{7}\right) \times 7 \times (2x + 28)
7
×
6
=
(
7
2
)
×
7
×
(
2
x
+
28
)
Simplify both sides:
Now, simplify both sides.
\newline
42
=
2
×
(
2
x
+
28
)
42 = 2 \times (2x + 28)
42
=
2
×
(
2
x
+
28
)
Distribute on right side:
Next, distribute the
2
2
2
on the right side.
42
=
4
x
+
56
42 = 4x + 56
42
=
4
x
+
56
Subtract
56
56
56
:
Then, subtract
56
56
56
from both sides to isolate the term with
x
x
x
.
\newline
42
−
56
=
4
x
42 - 56 = 4x
42
−
56
=
4
x
Calculate left side:
Now, calculate the left side.
−
14
=
4
x
-14 = 4x
−
14
=
4
x
Divide by
4
4
4
:
Finally, divide both sides by
4
4
4
to solve for x.
\newline
−
14
4
=
x
-\frac{14}{4} = x
−
4
14
=
x
Simplify division:
Simplify the division to find the value of
x
x
x
.
x
=
−
3.5
x = -3.5
x
=
−
3.5
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