7A+4=8A-17

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Solution for 7A+4=8A-17 equation:


Simplifying
7A + 4 = 8A + -17

Reorder the terms:
4 + 7A = 8A + -17

Reorder the terms:
4 + 7A = -17 + 8A

Solving
4 + 7A = -17 + 8A

Solving for variable 'A'.

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

Add '-8A' to each side of the equation.
4 + 7A + -8A = -17 + 8A + -8A

Combine like terms: 7A + -8A = -1A
4 + -1A = -17 + 8A + -8A

Combine like terms: 8A + -8A = 0
4 + -1A = -17 + 0
4 + -1A = -17

Add '-4' to each side of the equation.
4 + -4 + -1A = -17 + -4

Combine like terms: 4 + -4 = 0
0 + -1A = -17 + -4
-1A = -17 + -4

Combine like terms: -17 + -4 = -21
-1A = -21

Divide each side by '-1'.
A = 21

Simplifying
A = 21

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