4x+40=100-x

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Solution for 4x+40=100-x equation:


Simplifying
4x + 40 = 100 + -1x

Reorder the terms:
40 + 4x = 100 + -1x

Solving
40 + 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.
40 + 4x + x = 100 + -1x + x

Combine like terms: 4x + x = 5x
40 + 5x = 100 + -1x + x

Combine like terms: -1x + x = 0
40 + 5x = 100 + 0
40 + 5x = 100

Add '-40' to each side of the equation.
40 + -40 + 5x = 100 + -40

Combine like terms: 40 + -40 = 0
0 + 5x = 100 + -40
5x = 100 + -40

Combine like terms: 100 + -40 = 60
5x = 60

Divide each side by '5'.
x = 12

Simplifying
x = 12

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