7x-3(3-x)=18

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Solution for 7x-3(3-x)=18 equation:


Simplifying
7x + -3(3 + -1x) = 18
7x + (3 * -3 + -1x * -3) = 18
7x + (-9 + 3x) = 18

Reorder the terms:
-9 + 7x + 3x = 18

Combine like terms: 7x + 3x = 10x
-9 + 10x = 18

Solving
-9 + 10x = 18

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 + 10x = 18 + 9

Combine like terms: -9 + 9 = 0
0 + 10x = 18 + 9
10x = 18 + 9

Combine like terms: 18 + 9 = 27
10x = 27

Divide each side by '10'.
x = 2.7

Simplifying
x = 2.7

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