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pychu [463]
3 years ago
11

Simplify expressions 2=3/4x-7

Mathematics
2 answers:
Nataly_w [17]3 years ago
8 0

Answer:

x = 12

Step-by-step explanation:

2 = 3/4x - 7

2 + 7 = 3/4x

9 = 3/4x

9 × 4x = 3

36x = 3

x = 36/3

x = 12

Gnesinka [82]3 years ago
7 0

Answer: x = 12

Step-by-step explanation:

2=\frac{3}{4}x-7

Add 7 on both sides to get rid of the 7 and isolate x.

+7+2=\frac{3}{4}x-7+7

9=\frac{3}{4}x

Now multiply both sides by \frac{4}{3} to eliminate it and isolate x.

(\frac{4}{3})(9)=(\frac{3}{4}x) (\frac{4}{3})

12=x

Proof;

2=\frac{3}{4}x-7\\2=\frac{3}{4}(12)-7\\2=9-7\\2=2

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