b+b+b+b+80+90=100

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Solution for b+b+b+b+80+90=100 equation:


Simplifying
b + b + b + b + 80 + 90 = 100

Reorder the terms:
80 + 90 + b + b + b + b = 100

Combine like terms: 80 + 90 = 170
170 + b + b + b + b = 100

Combine like terms: b + b = 2b
170 + 2b + b + b = 100

Combine like terms: 2b + b = 3b
170 + 3b + b = 100

Combine like terms: 3b + b = 4b
170 + 4b = 100

Solving
170 + 4b = 100

Solving for variable 'b'.

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

Add '-170' to each side of the equation.
170 + -170 + 4b = 100 + -170

Combine like terms: 170 + -170 = 0
0 + 4b = 100 + -170
4b = 100 + -170

Combine like terms: 100 + -170 = -70
4b = -70

Divide each side by '4'.
b = -17.5

Simplifying
b = -17.5

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