3x-(2-x)=15

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


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

Reorder the terms:
-2 + 3x + 1x = 15

Combine like terms: 3x + 1x = 4x
-2 + 4x = 15

Solving
-2 + 4x = 15

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 4x = 15 + 2

Combine like terms: -2 + 2 = 0
0 + 4x = 15 + 2
4x = 15 + 2

Combine like terms: 15 + 2 = 17
4x = 17

Divide each side by '4'.
x = 4.25

Simplifying
x = 4.25

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