78+7x=102+4x

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Solution for 78+7x=102+4x equation:


Simplifying
78 + 7x = 102 + 4x

Solving
78 + 7x = 102 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
78 + 7x + -4x = 102 + 4x + -4x

Combine like terms: 7x + -4x = 3x
78 + 3x = 102 + 4x + -4x

Combine like terms: 4x + -4x = 0
78 + 3x = 102 + 0
78 + 3x = 102

Add '-78' to each side of the equation.
78 + -78 + 3x = 102 + -78

Combine like terms: 78 + -78 = 0
0 + 3x = 102 + -78
3x = 102 + -78

Combine like terms: 102 + -78 = 24
3x = 24

Divide each side by '3'.
x = 8

Simplifying
x = 8

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