-90b+7b+99b-(-77)=29

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Solution for -90b+7b+99b-(-77)=29 equation:


Simplifying
-90b + 7b + 99b + -1(-77) = 29

Multiply -1 * -77
-90b + 7b + 99b + 77 = 29

Reorder the terms:
77 + -90b + 7b + 99b = 29

Combine like terms: -90b + 7b = -83b
77 + -83b + 99b = 29

Combine like terms: -83b + 99b = 16b
77 + 16b = 29

Solving
77 + 16b = 29

Solving for variable 'b'.

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

Add '-77' to each side of the equation.
77 + -77 + 16b = 29 + -77

Combine like terms: 77 + -77 = 0
0 + 16b = 29 + -77
16b = 29 + -77

Combine like terms: 29 + -77 = -48
16b = -48

Divide each side by '16'.
b = -3

Simplifying
b = -3

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