78=2x+5x+8

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Solution for 78=2x+5x+8 equation:


Simplifying
78 = 2x + 5x + 8

Reorder the terms:
78 = 8 + 2x + 5x

Combine like terms: 2x + 5x = 7x
78 = 8 + 7x

Solving
78 = 8 + 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 + -7x = 8 + 7x + -7x

Combine like terms: 7x + -7x = 0
78 + -7x = 8 + 0
78 + -7x = 8

Add '-78' to each side of the equation.
78 + -78 + -7x = 8 + -78

Combine like terms: 78 + -78 = 0
0 + -7x = 8 + -78
-7x = 8 + -78

Combine like terms: 8 + -78 = -70
-7x = -70

Divide each side by '-7'.
x = 10

Simplifying
x = 10

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