3x-5(x+1)=13

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Solution for 3x-5(x+1)=13 equation:


Simplifying
3x + -5(x + 1) = 13

Reorder the terms:
3x + -5(1 + x) = 13
3x + (1 * -5 + x * -5) = 13
3x + (-5 + -5x) = 13

Reorder the terms:
-5 + 3x + -5x = 13

Combine like terms: 3x + -5x = -2x
-5 + -2x = 13

Solving
-5 + -2x = 13

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + -2x = 13 + 5

Combine like terms: -5 + 5 = 0
0 + -2x = 13 + 5
-2x = 13 + 5

Combine like terms: 13 + 5 = 18
-2x = 18

Divide each side by '-2'.
x = -9

Simplifying
x = -9

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