Answer :

Simplifying
25 + -3x = 40

Solving
25 + -3x = 40

Solving for variable 'x'.

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

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

Final answer:

The equation 25 - 3x = 40 simplifies to x = -5 when solved for the variable x.

Explanation:

To solve the equation 25 - 3x = 40, we need to isolate the variable x.

First, we subtract 25 from both sides of the equation to get -3x = 15, and then we divide both sides by -3, which gives us x = -5.

The answer to the equation is x equals negative five.

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