3x-4(3x+5)=20

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Solution for 3x-4(3x+5)=20 equation:


Simplifying
3x + -4(3x + 5) = 20

Reorder the terms:
3x + -4(5 + 3x) = 20
3x + (5 * -4 + 3x * -4) = 20
3x + (-20 + -12x) = 20

Reorder the terms:
-20 + 3x + -12x = 20

Combine like terms: 3x + -12x = -9x
-20 + -9x = 20

Solving
-20 + -9x = 20

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + -9x = 20 + 20

Combine like terms: -20 + 20 = 0
0 + -9x = 20 + 20
-9x = 20 + 20

Combine like terms: 20 + 20 = 40
-9x = 40

Divide each side by '-9'.
x = -4.444444444

Simplifying
x = -4.444444444

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