7x-(x-10)=40

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


Simplifying
7x + -1(x + -10) = 40

Reorder the terms:
7x + -1(-10 + x) = 40
7x + (-10 * -1 + x * -1) = 40
7x + (10 + -1x) = 40

Reorder the terms:
10 + 7x + -1x = 40

Combine like terms: 7x + -1x = 6x
10 + 6x = 40

Solving
10 + 6x = 40

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 6x = 40 + -10

Combine like terms: 10 + -10 = 0
0 + 6x = 40 + -10
6x = 40 + -10

Combine like terms: 40 + -10 = 30
6x = 30

Divide each side by '6'.
x = 5

Simplifying
x = 5

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