10x+20(x-5)=320

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Solution for 10x+20(x-5)=320 equation:


Simplifying
10x + 20(x + -5) = 320

Reorder the terms:
10x + 20(-5 + x) = 320
10x + (-5 * 20 + x * 20) = 320
10x + (-100 + 20x) = 320

Reorder the terms:
-100 + 10x + 20x = 320

Combine like terms: 10x + 20x = 30x
-100 + 30x = 320

Solving
-100 + 30x = 320

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 + 30x = 320 + 100

Combine like terms: -100 + 100 = 0
0 + 30x = 320 + 100
30x = 320 + 100

Combine like terms: 320 + 100 = 420
30x = 420

Divide each side by '30'.
x = 14

Simplifying
x = 14

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