25=40+3x

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Solution for 25=40+3x equation:


Simplifying
25 = 40 + 3x

Solving
25 = 40 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
25 + -3x = 40 + 3x + -3x

Combine like terms: 3x + -3x = 0
25 + -3x = 40 + 0
25 + -3x = 40

Add '-25' to each side of the equation.
25 + -25 + -3x = 40 + -25

Combine like terms: 25 + -25 = 0
0 + -3x = 40 + -25
-3x = 40 + -25

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

Divide each side by '-3'.
x = -5

Simplifying
x = -5

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