7-4(x-4)=15

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Solution for 7-4(x-4)=15 equation: 


Simplifying
7 + -4(x + -4) = 15

Reorder the terms:
7 + -4(-4 + x) = 15
7 + (-4 * -4 + x * -4) = 15
7 + (16 + -4x) = 15

Combine like terms: 7 + 16 = 23
23 + -4x = 15

Solving
23 + -4x = 15

Solving for variable 'x'.

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

Add '-23' to each side of the equation.
23 + -23 + -4x = 15 + -23

Combine like terms: 23 + -23 = 0
0 + -4x = 15 + -23
-4x = 15 + -23

Combine like terms: 15 + -23 = -8
-4x = -8

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

Simplifying
x = 2

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