10x+3(x-3)=20

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Solution for 10x+3(x-3)=20 equation:


Simplifying
10x + 3(x + -3) = 20

Reorder the terms:
10x + 3(-3 + x) = 20
10x + (-3 * 3 + x * 3) = 20
10x + (-9 + 3x) = 20

Reorder the terms:
-9 + 10x + 3x = 20

Combine like terms: 10x + 3x = 13x
-9 + 13x = 20

Solving
-9 + 13x = 20

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 13x = 20 + 9

Combine like terms: -9 + 9 = 0
0 + 13x = 20 + 9
13x = 20 + 9

Combine like terms: 20 + 9 = 29
13x = 29

Divide each side by '13'.
x = 2.230769231

Simplifying
x = 2.230769231

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