2x+7-3x+4=21

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Solution for 2x+7-3x+4=21 equation:


Simplifying
2x + 7 + -3x + 4 = 21

Reorder the terms:
7 + 4 + 2x + -3x = 21

Combine like terms: 7 + 4 = 11
11 + 2x + -3x = 21

Combine like terms: 2x + -3x = -1x
11 + -1x = 21

Solving
11 + -1x = 21

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + -1x = 21 + -11

Combine like terms: 11 + -11 = 0
0 + -1x = 21 + -11
-1x = 21 + -11

Combine like terms: 21 + -11 = 10
-1x = 10

Divide each side by '-1'.
x = -10

Simplifying
x = -10

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