3-2x+10=21

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Solution for 3-2x+10=21 equation:


Simplifying
3 + -2x + 10 = 21

Reorder the terms:
3 + 10 + -2x = 21

Combine like terms: 3 + 10 = 13
13 + -2x = 21

Solving
13 + -2x = 21

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + -2x = 21 + -13

Combine like terms: 13 + -13 = 0
0 + -2x = 21 + -13
-2x = 21 + -13

Combine like terms: 21 + -13 = 8
-2x = 8

Divide each side by '-2'.
x = -4

Simplifying
x = -4

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