3x+5x-10=78

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Solution for 3x+5x-10=78 equation:


Simplifying
3x + 5x + -10 = 78

Reorder the terms:
-10 + 3x + 5x = 78

Combine like terms: 3x + 5x = 8x
-10 + 8x = 78

Solving
-10 + 8x = 78

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 8x = 78 + 10

Combine like terms: -10 + 10 = 0
0 + 8x = 78 + 10
8x = 78 + 10

Combine like terms: 78 + 10 = 88
8x = 88

Divide each side by '8'.
x = 11

Simplifying
x = 11

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