20+3x-4=11-(x+1)

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Solution for 20+3x-4=11-(x+1) equation:


Simplifying
20 + 3x + -4 = 11 + -1(x + 1)

Reorder the terms:
20 + -4 + 3x = 11 + -1(x + 1)

Combine like terms: 20 + -4 = 16
16 + 3x = 11 + -1(x + 1)

Reorder the terms:
16 + 3x = 11 + -1(1 + x)
16 + 3x = 11 + (1 * -1 + x * -1)
16 + 3x = 11 + (-1 + -1x)

Combine like terms: 11 + -1 = 10
16 + 3x = 10 + -1x

Solving
16 + 3x = 10 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
16 + 3x + x = 10 + -1x + x

Combine like terms: 3x + x = 4x
16 + 4x = 10 + -1x + x

Combine like terms: -1x + x = 0
16 + 4x = 10 + 0
16 + 4x = 10

Add '-16' to each side of the equation.
16 + -16 + 4x = 10 + -16

Combine like terms: 16 + -16 = 0
0 + 4x = 10 + -16
4x = 10 + -16

Combine like terms: 10 + -16 = -6
4x = -6

Divide each side by '4'.
x = -1.5

Simplifying
x = -1.5

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