A+90-12=210

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Solution for A+90-12=210 equation: 


Simplifying
A + 90 + -12 = 210

Reorder the terms:
90 + -12 + A = 210

Combine like terms: 90 + -12 = 78
78 + A = 210

Solving
78 + A = 210

Solving for variable 'A'.

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

Add '-78' to each side of the equation.
78 + -78 + A = 210 + -78

Combine like terms: 78 + -78 = 0
0 + A = 210 + -78
A = 210 + -78

Combine like terms: 210 + -78 = 132
A = 132

Simplifying
A = 132

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