7x-(2x+10)=20

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Solution for 7x-(2x+10)=20 equation:


Simplifying
7x + -1(2x + 10) = 20

Reorder the terms:
7x + -1(10 + 2x) = 20
7x + (10 * -1 + 2x * -1) = 20
7x + (-10 + -2x) = 20

Reorder the terms:
-10 + 7x + -2x = 20

Combine like terms: 7x + -2x = 5x
-10 + 5x = 20

Solving
-10 + 5x = 20

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 + 5x = 20 + 10

Combine like terms: -10 + 10 = 0
0 + 5x = 20 + 10
5x = 20 + 10

Combine like terms: 20 + 10 = 30
5x = 30

Divide each side by '5'.
x = 6

Simplifying
x = 6

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