-3(2b+4)=4(b+7)

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Solution for -3(2b+4)=4(b+7) equation:


Simplifying
-3(2b + 4) = 4(b + 7)

Reorder the terms:
-3(4 + 2b) = 4(b + 7)
(4 * -3 + 2b * -3) = 4(b + 7)
(-12 + -6b) = 4(b + 7)

Reorder the terms:
-12 + -6b = 4(7 + b)
-12 + -6b = (7 * 4 + b * 4)
-12 + -6b = (28 + 4b)

Solving
-12 + -6b = 28 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
-12 + -6b + -4b = 28 + 4b + -4b

Combine like terms: -6b + -4b = -10b
-12 + -10b = 28 + 4b + -4b

Combine like terms: 4b + -4b = 0
-12 + -10b = 28 + 0
-12 + -10b = 28

Add '12' to each side of the equation.
-12 + 12 + -10b = 28 + 12

Combine like terms: -12 + 12 = 0
0 + -10b = 28 + 12
-10b = 28 + 12

Combine like terms: 28 + 12 = 40
-10b = 40

Divide each side by '-10'.
b = -4

Simplifying
b = -4

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