-15+4x=6x+21

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Solution for -15+4x=6x+21 equation:


Simplifying
-15 + 4x = 6x + 21

Reorder the terms:
-15 + 4x = 21 + 6x

Solving
-15 + 4x = 21 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-15 + 4x + -6x = 21 + 6x + -6x

Combine like terms: 4x + -6x = -2x
-15 + -2x = 21 + 6x + -6x

Combine like terms: 6x + -6x = 0
-15 + -2x = 21 + 0
-15 + -2x = 21

Add '15' to each side of the equation.
-15 + 15 + -2x = 21 + 15

Combine like terms: -15 + 15 = 0
0 + -2x = 21 + 15
-2x = 21 + 15

Combine like terms: 21 + 15 = 36
-2x = 36

Divide each side by '-2'.
x = -18

Simplifying
x = -18

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