50=40-2(5x-10)-70

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Solution for 50=40-2(5x-10)-70 equation:


Simplifying
50 = 40 + -2(5x + -10) + -70

Reorder the terms:
50 = 40 + -2(-10 + 5x) + -70
50 = 40 + (-10 * -2 + 5x * -2) + -70
50 = 40 + (20 + -10x) + -70

Reorder the terms:
50 = 40 + 20 + -70 + -10x

Combine like terms: 40 + 20 = 60
50 = 60 + -70 + -10x

Combine like terms: 60 + -70 = -10
50 = -10 + -10x

Solving
50 = -10 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
50 + 10x = -10 + -10x + 10x

Combine like terms: -10x + 10x = 0
50 + 10x = -10 + 0
50 + 10x = -10

Add '-50' to each side of the equation.
50 + -50 + 10x = -10 + -50

Combine like terms: 50 + -50 = 0
0 + 10x = -10 + -50
10x = -10 + -50

Combine like terms: -10 + -50 = -60
10x = -60

Divide each side by '10'.
x = -6

Simplifying
x = -6

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