3-4(1+A)=7

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Solution for 3-4(1+A)=7 equation: 


Simplifying
3 + -4(1 + A) = 7
3 + (1 * -4 + A * -4) = 7
3 + (-4 + -4A) = 7

Combine like terms: 3 + -4 = -1
-1 + -4A = 7

Solving
-1 + -4A = 7

Solving for variable 'A'.

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

Add '1' to each side of the equation.
-1 + 1 + -4A = 7 + 1

Combine like terms: -1 + 1 = 0
0 + -4A = 7 + 1
-4A = 7 + 1

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

Divide each side by '-4'.
A = -2

Simplifying
A = -2

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