7x-2(-10)=40

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Solution for 7x-2(-10)=40 equation:


Simplifying
7x + -2(-10) = 40

Multiply -2 * -10
7x + 20 = 40

Reorder the terms:
20 + 7x = 40

Solving
20 + 7x = 40

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 7x = 40 + -20

Combine like terms: 20 + -20 = 0
0 + 7x = 40 + -20
7x = 40 + -20

Combine like terms: 40 + -20 = 20
7x = 20

Divide each side by '7'.
x = 2.857142857

Simplifying
x = 2.857142857

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