-3(7-x)+10x=18

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Solution for -3(7-x)+10x=18 equation:


Simplifying
-3(7 + -1x) + 10x = 18
(7 * -3 + -1x * -3) + 10x = 18
(-21 + 3x) + 10x = 18

Combine like terms: 3x + 10x = 13x
-21 + 13x = 18

Solving
-21 + 13x = 18

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 13x = 18 + 21

Combine like terms: -21 + 21 = 0
0 + 13x = 18 + 21
13x = 18 + 21

Combine like terms: 18 + 21 = 39
13x = 39

Divide each side by '13'.
x = 3

Simplifying
x = 3

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