7x+13=4x+100

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Solution for 7x+13=4x+100 equation:


Simplifying
7x + 13 = 4x + 100

Reorder the terms:
13 + 7x = 4x + 100

Reorder the terms:
13 + 7x = 100 + 4x

Solving
13 + 7x = 100 + 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.
13 + 7x + -4x = 100 + 4x + -4x

Combine like terms: 7x + -4x = 3x
13 + 3x = 100 + 4x + -4x

Combine like terms: 4x + -4x = 0
13 + 3x = 100 + 0
13 + 3x = 100

Add '-13' to each side of the equation.
13 + -13 + 3x = 100 + -13

Combine like terms: 13 + -13 = 0
0 + 3x = 100 + -13
3x = 100 + -13

Combine like terms: 100 + -13 = 87
3x = 87

Divide each side by '3'.
x = 29

Simplifying
x = 29

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