10x-15(x-5)=30

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Solution for 10x-15(x-5)=30 equation: 


Simplifying
10x + -15(x + -5) = 30

Reorder the terms:
10x + -15(-5 + x) = 30
10x + (-5 * -15 + x * -15) = 30
10x + (75 + -15x) = 30

Reorder the terms:
75 + 10x + -15x = 30

Combine like terms: 10x + -15x = -5x
75 + -5x = 30

Solving
75 + -5x = 30

Solving for variable 'x'.

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

Add '-75' to each side of the equation.
75 + -75 + -5x = 30 + -75

Combine like terms: 75 + -75 = 0
0 + -5x = 30 + -75
-5x = 30 + -75

Combine like terms: 30 + -75 = -45
-5x = -45

Divide each side by '-5'.
x = 9

Simplifying
x = 9

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