7-3(b+8)=7b-7(b-4)

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Solution for 7-3(b+8)=7b-7(b-4) equation:


Simplifying
7 + -3(b + 8) = 7b + -7(b + -4)

Reorder the terms:
7 + -3(8 + b) = 7b + -7(b + -4)
7 + (8 * -3 + b * -3) = 7b + -7(b + -4)
7 + (-24 + -3b) = 7b + -7(b + -4)

Combine like terms: 7 + -24 = -17
-17 + -3b = 7b + -7(b + -4)

Reorder the terms:
-17 + -3b = 7b + -7(-4 + b)
-17 + -3b = 7b + (-4 * -7 + b * -7)
-17 + -3b = 7b + (28 + -7b)

Reorder the terms:
-17 + -3b = 28 + 7b + -7b

Combine like terms: 7b + -7b = 0
-17 + -3b = 28 + 0
-17 + -3b = 28

Solving
-17 + -3b = 28

Solving for variable 'b'.

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

Add '17' to each side of the equation.
-17 + 17 + -3b = 28 + 17

Combine like terms: -17 + 17 = 0
0 + -3b = 28 + 17
-3b = 28 + 17

Combine like terms: 28 + 17 = 45
-3b = 45

Divide each side by '-3'.
b = -15

Simplifying
b = -15

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