30x+10(x-10)=12.75

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Solution for 30x+10(x-10)=12.75 equation: 


Simplifying
30x + 10(x + -10) = 12.75

Reorder the terms:
30x + 10(-10 + x) = 12.75
30x + (-10 * 10 + x * 10) = 12.75
30x + (-100 + 10x) = 12.75

Reorder the terms:
-100 + 30x + 10x = 12.75

Combine like terms: 30x + 10x = 40x
-100 + 40x = 12.75

Solving
-100 + 40x = 12.75

Solving for variable 'x'.

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

Add '100' to each side of the equation.
-100 + 100 + 40x = 12.75 + 100

Combine like terms: -100 + 100 = 0
0 + 40x = 12.75 + 100
40x = 12.75 + 100

Combine like terms: 12.75 + 100 = 112.75
40x = 112.75

Divide each side by '40'.
x = 2.81875

Simplifying
x = 2.81875

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