A+A-30+3A=170

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Solution for A+A-30+3A=170 equation:


Simplifying
A + A + -30 + 3A = 170

Reorder the terms:
-30 + A + A + 3A = 170

Combine like terms: A + A = 2A
-30 + 2A + 3A = 170

Combine like terms: 2A + 3A = 5A
-30 + 5A = 170

Solving
-30 + 5A = 170

Solving for variable 'A'.

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

Add '30' to each side of the equation.
-30 + 30 + 5A = 170 + 30

Combine like terms: -30 + 30 = 0
0 + 5A = 170 + 30
5A = 170 + 30

Combine like terms: 170 + 30 = 200
5A = 200

Divide each side by '5'.
A = 40

Simplifying
A = 40

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