78-3x=7x+18

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Solution for 78-3x=7x+18 equation:


Simplifying
78 + -3x = 7x + 18

Reorder the terms:
78 + -3x = 18 + 7x

Solving
78 + -3x = 18 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
78 + -3x + -7x = 18 + 7x + -7x

Combine like terms: -3x + -7x = -10x
78 + -10x = 18 + 7x + -7x

Combine like terms: 7x + -7x = 0
78 + -10x = 18 + 0
78 + -10x = 18

Add '-78' to each side of the equation.
78 + -78 + -10x = 18 + -78

Combine like terms: 78 + -78 = 0
0 + -10x = 18 + -78
-10x = 18 + -78

Combine like terms: 18 + -78 = -60
-10x = -60

Divide each side by '-10'.
x = 6

Simplifying
x = 6

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