12-9(x-5)-(3x+4)=

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Solution for 12-9(x-5)-(3x+4)= equation:


Simplifying
12 + -9(x + -5) + -1(3x + 4) = 0

Reorder the terms:
12 + -9(-5 + x) + -1(3x + 4) = 0
12 + (-5 * -9 + x * -9) + -1(3x + 4) = 0
12 + (45 + -9x) + -1(3x + 4) = 0

Reorder the terms:
12 + 45 + -9x + -1(4 + 3x) = 0
12 + 45 + -9x + (4 * -1 + 3x * -1) = 0
12 + 45 + -9x + (-4 + -3x) = 0

Reorder the terms:
12 + 45 + -4 + -9x + -3x = 0

Combine like terms: 12 + 45 = 57
57 + -4 + -9x + -3x = 0

Combine like terms: 57 + -4 = 53
53 + -9x + -3x = 0

Combine like terms: -9x + -3x = -12x
53 + -12x = 0

Solving
53 + -12x = 0

Solving for variable 'x'.

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

Add '-53' to each side of the equation.
53 + -53 + -12x = 0 + -53

Combine like terms: 53 + -53 = 0
0 + -12x = 0 + -53
-12x = 0 + -53

Combine like terms: 0 + -53 = -53
-12x = -53

Divide each side by '-12'.
x = 4.416666667

Simplifying
x = 4.416666667

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