2x-3(3x+3)=20

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Solution for 2x-3(3x+3)=20 equation:


Simplifying
2x + -3(3x + 3) = 20

Reorder the terms:
2x + -3(3 + 3x) = 20
2x + (3 * -3 + 3x * -3) = 20
2x + (-9 + -9x) = 20

Reorder the terms:
-9 + 2x + -9x = 20

Combine like terms: 2x + -9x = -7x
-9 + -7x = 20

Solving
-9 + -7x = 20

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + -7x = 20 + 9

Combine like terms: -9 + 9 = 0
0 + -7x = 20 + 9
-7x = 20 + 9

Combine like terms: 20 + 9 = 29
-7x = 29

Divide each side by '-7'.
x = -4.142857143

Simplifying
x = -4.142857143

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