90A-120B=100

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Solution for 90A-120B=100 equation: 


Simplifying
90A + -120B = 100

Solving
90A + -120B = 100

Solving for variable 'A'.

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

Add '120B' to each side of the equation.
90A + -120B + 120B = 100 + 120B

Combine like terms: -120B + 120B = 0
90A + 0 = 100 + 120B
90A = 100 + 120B

Divide each side by '90'.
A = 1.111111111 + 1.333333333B

Simplifying
A = 1.111111111 + 1.333333333B

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