3-4(A+1)=9+9

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Solution for 3-4(A+1)=9+9 equation:


Simplifying
3 + -4(A + 1) = 9 + 9

Reorder the terms:
3 + -4(1 + A) = 9 + 9
3 + (1 * -4 + A * -4) = 9 + 9
3 + (-4 + -4A) = 9 + 9

Combine like terms: 3 + -4 = -1
-1 + -4A = 9 + 9

Combine like terms: 9 + 9 = 18
-1 + -4A = 18

Solving
-1 + -4A = 18

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 = 18 + 1

Combine like terms: -1 + 1 = 0
0 + -4A = 18 + 1
-4A = 18 + 1

Combine like terms: 18 + 1 = 19
-4A = 19

Divide each side by '-4'.
A = -4.75

Simplifying
A = -4.75

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