7(b-5)+12=15

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Solution for 7(b-5)+12=15 equation:


Simplifying
7(b + -5) + 12 = 15

Reorder the terms:
7(-5 + b) + 12 = 15
(-5 * 7 + b * 7) + 12 = 15
(-35 + 7b) + 12 = 15

Reorder the terms:
-35 + 12 + 7b = 15

Combine like terms: -35 + 12 = -23
-23 + 7b = 15

Solving
-23 + 7b = 15

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '23' to each side of the equation.
-23 + 23 + 7b = 15 + 23

Combine like terms: -23 + 23 = 0
0 + 7b = 15 + 23
7b = 15 + 23

Combine like terms: 15 + 23 = 38
7b = 38

Divide each side by '7'.
b = 5.428571429

Simplifying
b = 5.428571429

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