-7b+7-3b=10(1+2b)-7(8b-7)

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Solution for -7b+7-3b=10(1+2b)-7(8b-7) equation:


Simplifying
-7b + 7 + -3b = 10(1 + 2b) + -7(8b + -7)

Reorder the terms:
7 + -7b + -3b = 10(1 + 2b) + -7(8b + -7)

Combine like terms: -7b + -3b = -10b
7 + -10b = 10(1 + 2b) + -7(8b + -7)
7 + -10b = (1 * 10 + 2b * 10) + -7(8b + -7)
7 + -10b = (10 + 20b) + -7(8b + -7)

Reorder the terms:
7 + -10b = 10 + 20b + -7(-7 + 8b)
7 + -10b = 10 + 20b + (-7 * -7 + 8b * -7)
7 + -10b = 10 + 20b + (49 + -56b)

Reorder the terms:
7 + -10b = 10 + 49 + 20b + -56b

Combine like terms: 10 + 49 = 59
7 + -10b = 59 + 20b + -56b

Combine like terms: 20b + -56b = -36b
7 + -10b = 59 + -36b

Solving
7 + -10b = 59 + -36b

Solving for variable 'b'.

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

Add '36b' to each side of the equation.
7 + -10b + 36b = 59 + -36b + 36b

Combine like terms: -10b + 36b = 26b
7 + 26b = 59 + -36b + 36b

Combine like terms: -36b + 36b = 0
7 + 26b = 59 + 0
7 + 26b = 59

Add '-7' to each side of the equation.
7 + -7 + 26b = 59 + -7

Combine like terms: 7 + -7 = 0
0 + 26b = 59 + -7
26b = 59 + -7

Combine like terms: 59 + -7 = 52
26b = 52

Divide each side by '26'.
b = 2

Simplifying
b = 2

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