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

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


Simplifying
-3 + -1(-4x) = -4x + 15

Remove parenthesis around (-4x)
-3 + -1 * -4x = -4x + 15

Multiply -1 * -4
-3 + 4x = -4x + 15

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

Solving
-3 + 4x = 15 + -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 + 4x = 15 + -4x + 4x

Combine like terms: 4x + 4x = 8x
-3 + 8x = 15 + -4x + 4x

Combine like terms: -4x + 4x = 0
-3 + 8x = 15 + 0
-3 + 8x = 15

Add '3' to each side of the equation.
-3 + 3 + 8x = 15 + 3

Combine like terms: -3 + 3 = 0
0 + 8x = 15 + 3
8x = 15 + 3

Combine like terms: 15 + 3 = 18
8x = 18

Divide each side by '8'.
x = 2.25

Simplifying
x = 2.25

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