x-45=8(2x+3)-9

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Solution for x-45=8(2x+3)-9 equation:


Simplifying
x + -45 = 8(2x + 3) + -9

Reorder the terms:
-45 + x = 8(2x + 3) + -9

Reorder the terms:
-45 + x = 8(3 + 2x) + -9
-45 + x = (3 * 8 + 2x * 8) + -9
-45 + x = (24 + 16x) + -9

Reorder the terms:
-45 + x = 24 + -9 + 16x

Combine like terms: 24 + -9 = 15
-45 + x = 15 + 16x

Solving
-45 + x = 15 + 16x

Solving for variable 'x'.

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

Add '-16x' to each side of the equation.
-45 + x + -16x = 15 + 16x + -16x

Combine like terms: x + -16x = -15x
-45 + -15x = 15 + 16x + -16x

Combine like terms: 16x + -16x = 0
-45 + -15x = 15 + 0
-45 + -15x = 15

Add '45' to each side of the equation.
-45 + 45 + -15x = 15 + 45

Combine like terms: -45 + 45 = 0
0 + -15x = 15 + 45
-15x = 15 + 45

Combine like terms: 15 + 45 = 60
-15x = 60

Divide each side by '-15'.
x = -4

Simplifying
x = -4

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