23=30-x

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Solution for 23=30-x equation:


Simplifying
23 = 30 + -1x

Solving
23 = 30 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
23 + x = 30 + -1x + x

Combine like terms: -1x + x = 0
23 + x = 30 + 0
23 + x = 30

Add '-23' to each side of the equation.
23 + -23 + x = 30 + -23

Combine like terms: 23 + -23 = 0
0 + x = 30 + -23
x = 30 + -23

Combine like terms: 30 + -23 = 7
x = 7

Simplifying
x = 7

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