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

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


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

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

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

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

Combine like terms: 12 + -20 = -8
-8 + 15x + 5x = 0

Combine like terms: 15x + 5x = 20x
-8 + 20x = 0

Solving
-8 + 20x = 0

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 20x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 20x = 0 + 8
20x = 0 + 8

Combine like terms: 0 + 8 = 8
20x = 8

Divide each side by '20'.
x = 0.4

Simplifying
x = 0.4

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