2x+3(15-x)=25

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Solution for 2x+3(15-x)=25 equation:


Simplifying
2x + 3(15 + -1x) = 25
2x + (15 * 3 + -1x * 3) = 25
2x + (45 + -3x) = 25

Reorder the terms:
45 + 2x + -3x = 25

Combine like terms: 2x + -3x = -1x
45 + -1x = 25

Solving
45 + -1x = 25

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + -1x = 25 + -45

Combine like terms: 45 + -45 = 0
0 + -1x = 25 + -45
-1x = 25 + -45

Combine like terms: 25 + -45 = -20
-1x = -20

Divide each side by '-1'.
x = 20

Simplifying
x = 20

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