-3(2x+1)-(x+3)=8

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Solution for -3(2x+1)-(x+3)=8 equation:


Simplifying
-3(2x + 1) + -1(x + 3) = 8

Reorder the terms:
-3(1 + 2x) + -1(x + 3) = 8
(1 * -3 + 2x * -3) + -1(x + 3) = 8
(-3 + -6x) + -1(x + 3) = 8

Reorder the terms:
-3 + -6x + -1(3 + x) = 8
-3 + -6x + (3 * -1 + x * -1) = 8
-3 + -6x + (-3 + -1x) = 8

Reorder the terms:
-3 + -3 + -6x + -1x = 8

Combine like terms: -3 + -3 = -6
-6 + -6x + -1x = 8

Combine like terms: -6x + -1x = -7x
-6 + -7x = 8

Solving
-6 + -7x = 8

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + -7x = 8 + 6

Combine like terms: -6 + 6 = 0
0 + -7x = 8 + 6
-7x = 8 + 6

Combine like terms: 8 + 6 = 14
-7x = 14

Divide each side by '-7'.
x = -2

Simplifying
x = -2

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