20-5(2x-10)=40

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Solution for 20-5(2x-10)=40 equation:


Simplifying
20 + -5(2x + -10) = 40

Reorder the terms:
20 + -5(-10 + 2x) = 40
20 + (-10 * -5 + 2x * -5) = 40
20 + (50 + -10x) = 40

Combine like terms: 20 + 50 = 70
70 + -10x = 40

Solving
70 + -10x = 40

Solving for variable 'x'.

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

Add '-70' to each side of the equation.
70 + -70 + -10x = 40 + -70

Combine like terms: 70 + -70 = 0
0 + -10x = 40 + -70
-10x = 40 + -70

Combine like terms: 40 + -70 = -30
-10x = -30

Divide each side by '-10'.
x = 3

Simplifying
x = 3

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