-3=4(x+7)-15

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Solution for -3=4(x+7)-15 equation:


Simplifying
-3 = 4(x + 7) + -15

Reorder the terms:
-3 = 4(7 + x) + -15
-3 = (7 * 4 + x * 4) + -15
-3 = (28 + 4x) + -15

Reorder the terms:
-3 = 28 + -15 + 4x

Combine like terms: 28 + -15 = 13
-3 = 13 + 4x

Solving
-3 = 13 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-3 + -4x = 13 + 4x + -4x

Combine like terms: 4x + -4x = 0
-3 + -4x = 13 + 0
-3 + -4x = 13

Add '3' to each side of the equation.
-3 + 3 + -4x = 13 + 3

Combine like terms: -3 + 3 = 0
0 + -4x = 13 + 3
-4x = 13 + 3

Combine like terms: 13 + 3 = 16
-4x = 16

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

Simplifying
x = -4

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