(x+3)-(2x-1)=3(x+4)

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Solution for (x+3)-(2x-1)=3(x+4) equation:


Simplifying
(x + 3) + -1(2x + -1) = 3(x + 4)

Reorder the terms:
(3 + x) + -1(2x + -1) = 3(x + 4)

Remove parenthesis around (3 + x)
3 + x + -1(2x + -1) = 3(x + 4)

Reorder the terms:
3 + x + -1(-1 + 2x) = 3(x + 4)
3 + x + (-1 * -1 + 2x * -1) = 3(x + 4)
3 + x + (1 + -2x) = 3(x + 4)

Reorder the terms:
3 + 1 + x + -2x = 3(x + 4)

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

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

Reorder the terms:
4 + -1x = 3(4 + x)
4 + -1x = (4 * 3 + x * 3)
4 + -1x = (12 + 3x)

Solving
4 + -1x = 12 + 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.
4 + -1x + -3x = 12 + 3x + -3x

Combine like terms: -1x + -3x = -4x
4 + -4x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
4 + -4x = 12 + 0
4 + -4x = 12

Add '-4' to each side of the equation.
4 + -4 + -4x = 12 + -4

Combine like terms: 4 + -4 = 0
0 + -4x = 12 + -4
-4x = 12 + -4

Combine like terms: 12 + -4 = 8
-4x = 8

Divide each side by '-4'.
x = -2

Simplifying
x = -2

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