-3x-6=4x+15

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Solution for -3x-6=4x+15 equation:


Simplifying
-3x + -6 = 4x + 15

Reorder the terms:
-6 + -3x = 4x + 15

Reorder the terms:
-6 + -3x = 15 + 4x

Solving
-6 + -3x = 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.
-6 + -3x + -4x = 15 + 4x + -4x

Combine like terms: -3x + -4x = -7x
-6 + -7x = 15 + 4x + -4x

Combine like terms: 4x + -4x = 0
-6 + -7x = 15 + 0
-6 + -7x = 15

Add '6' to each side of the equation.
-6 + 6 + -7x = 15 + 6

Combine like terms: -6 + 6 = 0
0 + -7x = 15 + 6
-7x = 15 + 6

Combine like terms: 15 + 6 = 21
-7x = 21

Divide each side by '-7'.
x = -3

Simplifying
x = -3

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