-3(5+7b)-4=-10+6(b+12)

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Solution for -3(5+7b)-4=-10+6(b+12) equation:


Simplifying
-3(5 + 7b) + -4 = -10 + 6(b + 12)
(5 * -3 + 7b * -3) + -4 = -10 + 6(b + 12)
(-15 + -21b) + -4 = -10 + 6(b + 12)

Reorder the terms:
-15 + -4 + -21b = -10 + 6(b + 12)

Combine like terms: -15 + -4 = -19
-19 + -21b = -10 + 6(b + 12)

Reorder the terms:
-19 + -21b = -10 + 6(12 + b)
-19 + -21b = -10 + (12 * 6 + b * 6)
-19 + -21b = -10 + (72 + 6b)

Combine like terms: -10 + 72 = 62
-19 + -21b = 62 + 6b

Solving
-19 + -21b = 62 + 6b

Solving for variable 'b'.

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

Add '-6b' to each side of the equation.
-19 + -21b + -6b = 62 + 6b + -6b

Combine like terms: -21b + -6b = -27b
-19 + -27b = 62 + 6b + -6b

Combine like terms: 6b + -6b = 0
-19 + -27b = 62 + 0
-19 + -27b = 62

Add '19' to each side of the equation.
-19 + 19 + -27b = 62 + 19

Combine like terms: -19 + 19 = 0
0 + -27b = 62 + 19
-27b = 62 + 19

Combine like terms: 62 + 19 = 81
-27b = 81

Divide each side by '-27'.
b = -3

Simplifying
b = -3

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