A+b+b+90+80=100

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


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

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

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

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

Solving
170 + A + 2b = 100

Solving for variable 'A'.

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

Add '-170' to each side of the equation.
170 + A + -170 + 2b = 100 + -170

Reorder the terms:
170 + -170 + A + 2b = 100 + -170

Combine like terms: 170 + -170 = 0
0 + A + 2b = 100 + -170
A + 2b = 100 + -170

Combine like terms: 100 + -170 = -70
A + 2b = -70

Add '-2b' to each side of the equation.
A + 2b + -2b = -70 + -2b

Combine like terms: 2b + -2b = 0
A + 0 = -70 + -2b
A = -70 + -2b

Simplifying
A = -70 + -2b

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