78+2x=100

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Solution for 78+2x=100 equation: 


Simplifying
78 + 2x = 100

Solving
78 + 2x = 100

Solving for variable 'x'.

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

Add '-78' to each side of the equation.
78 + -78 + 2x = 100 + -78

Combine like terms: 78 + -78 = 0
0 + 2x = 100 + -78
2x = 100 + -78

Combine like terms: 100 + -78 = 22
2x = 22

Divide each side by '2'.
x = 11

Simplifying
x = 11

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