3x+21-5x=21+2

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


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

Reorder the terms:
21 + 3x + -5x = 21 + 2

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

Combine like terms: 21 + 2 = 23
21 + -2x = 23

Solving
21 + -2x = 23

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -2x = 23 + -21

Combine like terms: 21 + -21 = 0
0 + -2x = 23 + -21
-2x = 23 + -21

Combine like terms: 23 + -21 = 2
-2x = 2

Divide each side by '-2'.
x = -1

Simplifying
x = -1

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