3x-4(x+5)=3x+8

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Solution for 3x-4(x+5)=3x+8 equation:


Simplifying
3x + -4(x + 5) = 3x + 8

Reorder the terms:
3x + -4(5 + x) = 3x + 8
3x + (5 * -4 + x * -4) = 3x + 8
3x + (-20 + -4x) = 3x + 8

Reorder the terms:
-20 + 3x + -4x = 3x + 8

Combine like terms: 3x + -4x = -1x
-20 + -1x = 3x + 8

Reorder the terms:
-20 + -1x = 8 + 3x

Solving
-20 + -1x = 8 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-20 + -1x + -3x = 8 + 3x + -3x

Combine like terms: -1x + -3x = -4x
-20 + -4x = 8 + 3x + -3x

Combine like terms: 3x + -3x = 0
-20 + -4x = 8 + 0
-20 + -4x = 8

Add '20' to each side of the equation.
-20 + 20 + -4x = 8 + 20

Combine like terms: -20 + 20 = 0
0 + -4x = 8 + 20
-4x = 8 + 20

Combine like terms: 8 + 20 = 28
-4x = 28

Divide each side by '-4'.
x = -7

Simplifying
x = -7

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