2x-(1+x)=9+3(4+x)

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Solution for 2x-(1+x)=9+3(4+x) equation:


Simplifying
2x + -1(1 + x) = 9 + 3(4 + x)
2x + (1 * -1 + x * -1) = 9 + 3(4 + x)
2x + (-1 + -1x) = 9 + 3(4 + x)

Reorder the terms:
-1 + 2x + -1x = 9 + 3(4 + x)

Combine like terms: 2x + -1x = 1x
-1 + 1x = 9 + 3(4 + x)
-1 + 1x = 9 + (4 * 3 + x * 3)
-1 + 1x = 9 + (12 + 3x)

Combine like terms: 9 + 12 = 21
-1 + 1x = 21 + 3x

Solving
-1 + 1x = 21 + 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.
-1 + 1x + -3x = 21 + 3x + -3x

Combine like terms: 1x + -3x = -2x
-1 + -2x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-1 + -2x = 21 + 0
-1 + -2x = 21

Add '1' to each side of the equation.
-1 + 1 + -2x = 21 + 1

Combine like terms: -1 + 1 = 0
0 + -2x = 21 + 1
-2x = 21 + 1

Combine like terms: 21 + 1 = 22
-2x = 22

Divide each side by '-2'.
x = -11

Simplifying
x = -11

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