3(2x-4)-(4x-10)=20

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Solution for 3(2x-4)-(4x-10)=20 equation:


Simplifying
3(2x + -4) + -1(4x + -10) = 20

Reorder the terms:
3(-4 + 2x) + -1(4x + -10) = 20
(-4 * 3 + 2x * 3) + -1(4x + -10) = 20
(-12 + 6x) + -1(4x + -10) = 20

Reorder the terms:
-12 + 6x + -1(-10 + 4x) = 20
-12 + 6x + (-10 * -1 + 4x * -1) = 20
-12 + 6x + (10 + -4x) = 20

Reorder the terms:
-12 + 10 + 6x + -4x = 20

Combine like terms: -12 + 10 = -2
-2 + 6x + -4x = 20

Combine like terms: 6x + -4x = 2x
-2 + 2x = 20

Solving
-2 + 2x = 20

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 2x = 20 + 2

Combine like terms: -2 + 2 = 0
0 + 2x = 20 + 2
2x = 20 + 2

Combine like terms: 20 + 2 = 22
2x = 22

Divide each side by '2'.
x = 11

Simplifying
x = 11

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