8x-(3x+9)=9x-45

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Solution for 8x-(3x+9)=9x-45 equation:


Simplifying
8x + -1(3x + 9) = 9x + -45

Reorder the terms:
8x + -1(9 + 3x) = 9x + -45
8x + (9 * -1 + 3x * -1) = 9x + -45
8x + (-9 + -3x) = 9x + -45

Reorder the terms:
-9 + 8x + -3x = 9x + -45

Combine like terms: 8x + -3x = 5x
-9 + 5x = 9x + -45

Reorder the terms:
-9 + 5x = -45 + 9x

Solving
-9 + 5x = -45 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-9 + 5x + -9x = -45 + 9x + -9x

Combine like terms: 5x + -9x = -4x
-9 + -4x = -45 + 9x + -9x

Combine like terms: 9x + -9x = 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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