-4(3b+7)=2(9b+1)

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Solution for -4(3b+7)=2(9b+1) equation:


Simplifying
-4(3b + 7) = 2(9b + 1)

Reorder the terms:
-4(7 + 3b) = 2(9b + 1)
(7 * -4 + 3b * -4) = 2(9b + 1)
(-28 + -12b) = 2(9b + 1)

Reorder the terms:
-28 + -12b = 2(1 + 9b)
-28 + -12b = (1 * 2 + 9b * 2)
-28 + -12b = (2 + 18b)

Solving
-28 + -12b = 2 + 18b

Solving for variable 'b'.

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

Add '-18b' to each side of the equation.
-28 + -12b + -18b = 2 + 18b + -18b

Combine like terms: -12b + -18b = -30b
-28 + -30b = 2 + 18b + -18b

Combine like terms: 18b + -18b = 0
-28 + -30b = 2 + 0
-28 + -30b = 2

Add '28' to each side of the equation.
-28 + 28 + -30b = 2 + 28

Combine like terms: -28 + 28 = 0
0 + -30b = 2 + 28
-30b = 2 + 28

Combine like terms: 2 + 28 = 30
-30b = 30

Divide each side by '-30'.
b = -1

Simplifying
b = -1

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