10x-78=30+x

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Solution for 10x-78=30+x equation:


Simplifying
10x + -78 = 30 + x

Reorder the terms:
-78 + 10x = 30 + x

Solving
-78 + 10x = 30 + 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.
-78 + 10x + -1x = 30 + x + -1x

Combine like terms: 10x + -1x = 9x
-78 + 9x = 30 + x + -1x

Combine like terms: x + -1x = 0
-78 + 9x = 30 + 0
-78 + 9x = 30

Add '78' to each side of the equation.
-78 + 78 + 9x = 30 + 78

Combine like terms: -78 + 78 = 0
0 + 9x = 30 + 78
9x = 30 + 78

Combine like terms: 30 + 78 = 108
9x = 108

Divide each side by '9'.
x = 12

Simplifying
x = 12

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