3(4x-5)-5(x-4)=

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


Simplifying
3(4x + -5) + -5(x + -4) = 0

Reorder the terms:
3(-5 + 4x) + -5(x + -4) = 0
(-5 * 3 + 4x * 3) + -5(x + -4) = 0
(-15 + 12x) + -5(x + -4) = 0

Reorder the terms:
-15 + 12x + -5(-4 + x) = 0
-15 + 12x + (-4 * -5 + x * -5) = 0
-15 + 12x + (20 + -5x) = 0

Reorder the terms:
-15 + 20 + 12x + -5x = 0

Combine like terms: -15 + 20 = 5
5 + 12x + -5x = 0

Combine like terms: 12x + -5x = 7x
5 + 7x = 0

Solving
5 + 7x = 0

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 7x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 7x = 0 + -5
7x = 0 + -5

Combine like terms: 0 + -5 = -5
7x = -5

Divide each side by '7'.
x = -0.7142857143

Simplifying
x = -0.7142857143

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