4x+25=100-x

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Solution for 4x+25=100-x equation:


Simplifying
4x + 25 = 100 + -1x

Reorder the terms:
25 + 4x = 100 + -1x

Solving
25 + 4x = 100 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
25 + 4x + x = 100 + -1x + x

Combine like terms: 4x + x = 5x
25 + 5x = 100 + -1x + x

Combine like terms: -1x + x = 0
25 + 5x = 100 + 0
25 + 5x = 100

Add '-25' to each side of the equation.
25 + -25 + 5x = 100 + -25

Combine like terms: 25 + -25 = 0
0 + 5x = 100 + -25
5x = 100 + -25

Combine like terms: 100 + -25 = 75
5x = 75

Divide each side by '5'.
x = 15

Simplifying
x = 15

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