Question

1) 5(3g-2)+8=58.
2) 7x-(4x-15)=13

Find the variable value.

Answer 1

Explanation:

5(3g-2)+8=58

5(3g-2)=58-8

5(3g-2)=50

3g-2=50/5

3g-2=10

3g=10+2

3g=12

g=12/3

g=4

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7x-(4x-15)=13

7x-4x-(-15)=13

3x+15=13

3x=13-15

3x=-2

x=-2/3