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

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


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

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

Combine like terms: 3 + -4 = -1
-1 + -4x = 9 + x

Solving
-1 + -4x = 9 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-1 + -4x + -1x = 9 + x + -1x

Combine like terms: -4x + -1x = -5x
-1 + -5x = 9 + x + -1x

Combine like terms: x + -1x = 0
-1 + -5x = 9 + 0
-1 + -5x = 9

Add '1' to each side of the equation.
-1 + 1 + -5x = 9 + 1

Combine like terms: -1 + 1 = 0
0 + -5x = 9 + 1
-5x = 9 + 1

Combine like terms: 9 + 1 = 10
-5x = 10

Divide each side by '-5'.
x = -2

Simplifying
x = -2

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