3(-2+7x)=15

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Solution for 3(-2+7x)=15 equation: 


Simplifying
3(-2 + 7x) = 15
(-2 * 3 + 7x * 3) = 15
(-6 + 21x) = 15

Solving
-6 + 21x = 15

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 21x = 15 + 6

Combine like terms: -6 + 6 = 0
0 + 21x = 15 + 6
21x = 15 + 6

Combine like terms: 15 + 6 = 21
21x = 21

Divide each side by '21'.
x = 1

Simplifying
x = 1

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