5x+100=7x+30

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Solution for 5x+100=7x+30 equation:


Simplifying
5x + 100 = 7x + 30

Reorder the terms:
100 + 5x = 7x + 30

Reorder the terms:
100 + 5x = 30 + 7x

Solving
100 + 5x = 30 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
100 + 5x + -7x = 30 + 7x + -7x

Combine like terms: 5x + -7x = -2x
100 + -2x = 30 + 7x + -7x

Combine like terms: 7x + -7x = 0
100 + -2x = 30 + 0
100 + -2x = 30

Add '-100' to each side of the equation.
100 + -100 + -2x = 30 + -100

Combine like terms: 100 + -100 = 0
0 + -2x = 30 + -100
-2x = 30 + -100

Combine like terms: 30 + -100 = -70
-2x = -70

Divide each side by '-2'.
x = 35

Simplifying
x = 35

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