5(2x-10)-(2x-8)=30

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Solution for 5(2x-10)-(2x-8)=30 equation:


Simplifying
5(2x + -10) + -1(2x + -8) = 30

Reorder the terms:
5(-10 + 2x) + -1(2x + -8) = 30
(-10 * 5 + 2x * 5) + -1(2x + -8) = 30
(-50 + 10x) + -1(2x + -8) = 30

Reorder the terms:
-50 + 10x + -1(-8 + 2x) = 30
-50 + 10x + (-8 * -1 + 2x * -1) = 30
-50 + 10x + (8 + -2x) = 30

Reorder the terms:
-50 + 8 + 10x + -2x = 30

Combine like terms: -50 + 8 = -42
-42 + 10x + -2x = 30

Combine like terms: 10x + -2x = 8x
-42 + 8x = 30

Solving
-42 + 8x = 30

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 8x = 30 + 42

Combine like terms: -42 + 42 = 0
0 + 8x = 30 + 42
8x = 30 + 42

Combine like terms: 30 + 42 = 72
8x = 72

Divide each side by '8'.
x = 9

Simplifying
x = 9

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