43=7-4A

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Solution for 43=7-4A equation: 


Simplifying
43 = 7 + -4A

Solving
43 = 7 + -4A

Solving for variable 'A'.

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

Add '4A' to each side of the equation.
43 + 4A = 7 + -4A + 4A

Combine like terms: -4A + 4A = 0
43 + 4A = 7 + 0
43 + 4A = 7

Add '-43' to each side of the equation.
43 + -43 + 4A = 7 + -43

Combine like terms: 43 + -43 = 0
0 + 4A = 7 + -43
4A = 7 + -43

Combine like terms: 7 + -43 = -36
4A = -36

Divide each side by '4'.
A = -9

Simplifying
A = -9

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