2x-(3x+9)=3x-45

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Solution for 2x-(3x+9)=3x-45 equation:


Simplifying
2x + -1(3x + 9) = 3x + -45

Reorder the terms:
2x + -1(9 + 3x) = 3x + -45
2x + (9 * -1 + 3x * -1) = 3x + -45
2x + (-9 + -3x) = 3x + -45

Reorder the terms:
-9 + 2x + -3x = 3x + -45

Combine like terms: 2x + -3x = -1x
-9 + -1x = 3x + -45

Reorder the terms:
-9 + -1x = -45 + 3x

Solving
-9 + -1x = -45 + 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.
-9 + -1x + -3x = -45 + 3x + -3x

Combine like terms: -1x + -3x = -4x
-9 + -4x = -45 + 3x + -3x

Combine like terms: 3x + -3x = 0
-9 + -4x = -45 + 0
-9 + -4x = -45

Add '9' to each side of the equation.
-9 + 9 + -4x = -45 + 9

Combine like terms: -9 + 9 = 0
0 + -4x = -45 + 9
-4x = -45 + 9

Combine like terms: -45 + 9 = -36
-4x = -36

Divide each side by '-4'.
x = 9

Simplifying
x = 9

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