40-X=15+2X

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Solution for 40-X=15+2X equation:


Simplifying
40 + -1X = 15 + 2X

Solving
40 + -1X = 15 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
40 + -1X + -2X = 15 + 2X + -2X

Combine like terms: -1X + -2X = -3X
40 + -3X = 15 + 2X + -2X

Combine like terms: 2X + -2X = 0
40 + -3X = 15 + 0
40 + -3X = 15

Add '-40' to each side of the equation.
40 + -40 + -3X = 15 + -40

Combine like terms: 40 + -40 = 0
0 + -3X = 15 + -40
-3X = 15 + -40

Combine like terms: 15 + -40 = -25
-3X = -25

Divide each side by '-3'.
X = 8.333333333

Simplifying
X = 8.333333333

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