8b-18=-4(b-7)+2

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Solution for 8b-18=-4(b-7)+2 equation:


Simplifying
8b + -18 = -4(b + -7) + 2

Reorder the terms:
-18 + 8b = -4(b + -7) + 2

Reorder the terms:
-18 + 8b = -4(-7 + b) + 2
-18 + 8b = (-7 * -4 + b * -4) + 2
-18 + 8b = (28 + -4b) + 2

Reorder the terms:
-18 + 8b = 28 + 2 + -4b

Combine like terms: 28 + 2 = 30
-18 + 8b = 30 + -4b

Solving
-18 + 8b = 30 + -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.
-18 + 8b + 4b = 30 + -4b + 4b

Combine like terms: 8b + 4b = 12b
-18 + 12b = 30 + -4b + 4b

Combine like terms: -4b + 4b = 0
-18 + 12b = 30 + 0
-18 + 12b = 30

Add '18' to each side of the equation.
-18 + 18 + 12b = 30 + 18

Combine like terms: -18 + 18 = 0
0 + 12b = 30 + 18
12b = 30 + 18

Combine like terms: 30 + 18 = 48
12b = 48

Divide each side by '12'.
b = 4

Simplifying
b = 4

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