7x-10x=30-18

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Solution for 7x-10x=30-18 equation: 


Simplifying
7x + -10x = 30 + -18

Combine like terms: 7x + -10x = -3x
-3x = 30 + -18

Combine like terms: 30 + -18 = 12
-3x = 12

Solving
-3x = 12

Solving for variable 'x'.

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

Divide each side by '-3'.
x = -4

Simplifying
x = -4

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