8x-(4x+2)=18

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Solution for 8x-(4x+2)=18 equation:


Simplifying
8x + -1(4x + 2) = 18

Reorder the terms:
8x + -1(2 + 4x) = 18
8x + (2 * -1 + 4x * -1) = 18
8x + (-2 + -4x) = 18

Reorder the terms:
-2 + 8x + -4x = 18

Combine like terms: 8x + -4x = 4x
-2 + 4x = 18

Solving
-2 + 4x = 18

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 4x = 18 + 2

Combine like terms: -2 + 2 = 0
0 + 4x = 18 + 2
4x = 18 + 2

Combine like terms: 18 + 2 = 20
4x = 20

Divide each side by '4'.
x = 5

Simplifying
x = 5

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