100+7x=115+4x

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Solution for 100+7x=115+4x equation:


Simplifying
100 + 7x = 115 + 4x

Solving
100 + 7x = 115 + 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.
100 + 7x + -4x = 115 + 4x + -4x

Combine like terms: 7x + -4x = 3x
100 + 3x = 115 + 4x + -4x

Combine like terms: 4x + -4x = 0
100 + 3x = 115 + 0
100 + 3x = 115

Add '-100' to each side of the equation.
100 + -100 + 3x = 115 + -100

Combine like terms: 100 + -100 = 0
0 + 3x = 115 + -100
3x = 115 + -100

Combine like terms: 115 + -100 = 15
3x = 15

Divide each side by '3'.
x = 5

Simplifying
x = 5

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