30x=45(x-3)

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Solution for 30x=45(x-3) equation:


Simplifying
30x = 45(x + -3)

Reorder the terms:
30x = 45(-3 + x)
30x = (-3 * 45 + x * 45)
30x = (-135 + 45x)

Solving
30x = -135 + 45x

Solving for variable 'x'.

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

Add '-45x' to each side of the equation.
30x + -45x = -135 + 45x + -45x

Combine like terms: 30x + -45x = -15x
-15x = -135 + 45x + -45x

Combine like terms: 45x + -45x = 0
-15x = -135 + 0
-15x = -135

Divide each side by '-15'.
x = 9

Simplifying
x = 9

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