7x-2(x+9)=2

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Solution for 7x-2(x+9)=2 equation:


Simplifying
7x + -2(x + 9) = 2

Reorder the terms:
7x + -2(9 + x) = 2
7x + (9 * -2 + x * -2) = 2
7x + (-18 + -2x) = 2

Reorder the terms:
-18 + 7x + -2x = 2

Combine like terms: 7x + -2x = 5x
-18 + 5x = 2

Solving
-18 + 5x = 2

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 5x = 2 + 18

Combine like terms: -18 + 18 = 0
0 + 5x = 2 + 18
5x = 2 + 18

Combine like terms: 2 + 18 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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