4A-8+12=2A-7

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Solution for 4A-8+12=2A-7 equation:


Simplifying
4A + -8 + 12 = 2A + -7

Reorder the terms:
-8 + 12 + 4A = 2A + -7

Combine like terms: -8 + 12 = 4
4 + 4A = 2A + -7

Reorder the terms:
4 + 4A = -7 + 2A

Solving
4 + 4A = -7 + 2A

Solving for variable 'A'.

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

Add '-2A' to each side of the equation.
4 + 4A + -2A = -7 + 2A + -2A

Combine like terms: 4A + -2A = 2A
4 + 2A = -7 + 2A + -2A

Combine like terms: 2A + -2A = 0
4 + 2A = -7 + 0
4 + 2A = -7

Add '-4' to each side of the equation.
4 + -4 + 2A = -7 + -4

Combine like terms: 4 + -4 = 0
0 + 2A = -7 + -4
2A = -7 + -4

Combine like terms: -7 + -4 = -11
2A = -11

Divide each side by '2'.
A = -5.5

Simplifying
A = -5.5

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