-3-5x+2x=-21

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Solution for -3-5x+2x=-21 equation: 


Simplifying
-3 + -5x + 2x = -21

Combine like terms: -5x + 2x = -3x
-3 + -3x = -21

Solving
-3 + -3x = -21

Solving for variable 'x'.

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

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

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

Combine like terms: -21 + 3 = -18
-3x = -18

Divide each side by '-3'.
x = 6

Simplifying
x = 6

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