7x+2=78-x

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Solution for 7x+2=78-x equation:


Simplifying
7x + 2 = 78 + -1x

Reorder the terms:
2 + 7x = 78 + -1x

Solving
2 + 7x = 78 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
2 + 7x + x = 78 + -1x + x

Combine like terms: 7x + x = 8x
2 + 8x = 78 + -1x + x

Combine like terms: -1x + x = 0
2 + 8x = 78 + 0
2 + 8x = 78

Add '-2' to each side of the equation.
2 + -2 + 8x = 78 + -2

Combine like terms: 2 + -2 = 0
0 + 8x = 78 + -2
8x = 78 + -2

Combine like terms: 78 + -2 = 76
8x = 76

Divide each side by '8'.
x = 9.5

Simplifying
x = 9.5

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