21-3+10-3=x

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


Simplifying
21 + -3 + 10 + -3 = x

Combine like terms: 21 + -3 = 18
18 + 10 + -3 = x

Combine like terms: 18 + 10 = 28
28 + -3 = x

Combine like terms: 28 + -3 = 25
25 = x

Solving
25 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
25 + -1x = x + -1x

Combine like terms: x + -1x = 0
25 + -1x = 0

Add '-25' to each side of the equation.
25 + -25 + -1x = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -1x = 0 + -25
-1x = 0 + -25

Combine like terms: 0 + -25 = -25
-1x = -25

Divide each side by '-1'.
x = 25

Simplifying
x = 25

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