3(x-4)-4(4x-9)-7x=

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Solution for 3(x-4)-4(4x-9)-7x= equation:


Simplifying
3(x + -4) + -4(4x + -9) + -7x = 0

Reorder the terms:
3(-4 + x) + -4(4x + -9) + -7x = 0
(-4 * 3 + x * 3) + -4(4x + -9) + -7x = 0
(-12 + 3x) + -4(4x + -9) + -7x = 0

Reorder the terms:
-12 + 3x + -4(-9 + 4x) + -7x = 0
-12 + 3x + (-9 * -4 + 4x * -4) + -7x = 0
-12 + 3x + (36 + -16x) + -7x = 0

Reorder the terms:
-12 + 36 + 3x + -16x + -7x = 0

Combine like terms: -12 + 36 = 24
24 + 3x + -16x + -7x = 0

Combine like terms: 3x + -16x = -13x
24 + -13x + -7x = 0

Combine like terms: -13x + -7x = -20x
24 + -20x = 0

Solving
24 + -20x = 0

Solving for variable 'x'.

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

Add '-24' to each side of the equation.
24 + -24 + -20x = 0 + -24

Combine like terms: 24 + -24 = 0
0 + -20x = 0 + -24
-20x = 0 + -24

Combine like terms: 0 + -24 = -24
-20x = -24

Divide each side by '-20'.
x = 1.2

Simplifying
x = 1.2

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