15x-(23-6x)-(x+12)=25

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Solution for 15x-(23-6x)-(x+12)=25 equation:


Simplifying
15x + -1(23 + -6x) + -1(x + 12) = 25
15x + (23 * -1 + -6x * -1) + -1(x + 12) = 25
15x + (-23 + 6x) + -1(x + 12) = 25

Reorder the terms:
15x + -23 + 6x + -1(12 + x) = 25
15x + -23 + 6x + (12 * -1 + x * -1) = 25
15x + -23 + 6x + (-12 + -1x) = 25

Reorder the terms:
-23 + -12 + 15x + 6x + -1x = 25

Combine like terms: -23 + -12 = -35
-35 + 15x + 6x + -1x = 25

Combine like terms: 15x + 6x = 21x
-35 + 21x + -1x = 25

Combine like terms: 21x + -1x = 20x
-35 + 20x = 25

Solving
-35 + 20x = 25

Solving for variable 'x'.

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

Add '35' to each side of the equation.
-35 + 35 + 20x = 25 + 35

Combine like terms: -35 + 35 = 0
0 + 20x = 25 + 35
20x = 25 + 35

Combine like terms: 25 + 35 = 60
20x = 60

Divide each side by '20'.
x = 3

Simplifying
x = 3

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