3x-5(2+x)=18

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Solution for 3x-5(2+x)=18 equation:


Simplifying
3x + -5(2 + x) = 18
3x + (2 * -5 + x * -5) = 18
3x + (-10 + -5x) = 18

Reorder the terms:
-10 + 3x + -5x = 18

Combine like terms: 3x + -5x = -2x
-10 + -2x = 18

Solving
-10 + -2x = 18

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 + -2x = 18 + 10

Combine like terms: -10 + 10 = 0
0 + -2x = 18 + 10
-2x = 18 + 10

Combine like terms: 18 + 10 = 28
-2x = 28

Divide each side by '-2'.
x = -14

Simplifying
x = -14

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