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

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


Simplifying
3(2x + 9) + -4(x + 1) = 0

Reorder the terms:
3(9 + 2x) + -4(x + 1) = 0
(9 * 3 + 2x * 3) + -4(x + 1) = 0
(27 + 6x) + -4(x + 1) = 0

Reorder the terms:
27 + 6x + -4(1 + x) = 0
27 + 6x + (1 * -4 + x * -4) = 0
27 + 6x + (-4 + -4x) = 0

Reorder the terms:
27 + -4 + 6x + -4x = 0

Combine like terms: 27 + -4 = 23
23 + 6x + -4x = 0

Combine like terms: 6x + -4x = 2x
23 + 2x = 0

Solving
23 + 2x = 0

Solving for variable 'x'.

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

Add '-23' to each side of the equation.
23 + -23 + 2x = 0 + -23

Combine like terms: 23 + -23 = 0
0 + 2x = 0 + -23
2x = 0 + -23

Combine like terms: 0 + -23 = -23
2x = -23

Divide each side by '2'.
x = -11.5

Simplifying
x = -11.5

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