78-7x=20x+15

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Solution for 78-7x=20x+15 equation: 


Simplifying
78 + -7x = 20x + 15

Reorder the terms:
78 + -7x = 15 + 20x

Solving
78 + -7x = 15 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
78 + -7x + -20x = 15 + 20x + -20x

Combine like terms: -7x + -20x = -27x
78 + -27x = 15 + 20x + -20x

Combine like terms: 20x + -20x = 0
78 + -27x = 15 + 0
78 + -27x = 15

Add '-78' to each side of the equation.
78 + -78 + -27x = 15 + -78

Combine like terms: 78 + -78 = 0
0 + -27x = 15 + -78
-27x = 15 + -78

Combine like terms: 15 + -78 = -63
-27x = -63

Divide each side by '-27'.
x = 2.333333333

Simplifying
x = 2.333333333

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