-15+2x=21-x+4x

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Solution for -15+2x=21-x+4x equation:


Simplifying
-15 + 2x = 21 + -1x + 4x

Combine like terms: -1x + 4x = 3x
-15 + 2x = 21 + 3x

Solving
-15 + 2x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-15 + 2x + -3x = 21 + 3x + -3x

Combine like terms: 2x + -3x = -1x
-15 + -1x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-15 + -1x = 21 + 0
-15 + -1x = 21

Add '15' to each side of the equation.
-15 + 15 + -1x = 21 + 15

Combine like terms: -15 + 15 = 0
0 + -1x = 21 + 15
-1x = 21 + 15

Combine like terms: 21 + 15 = 36
-1x = 36

Divide each side by '-1'.
x = -36

Simplifying
x = -36

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