3(5x+-2)=21

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Solution for 3(5x+-2)=21 equation: 


Simplifying
3(5x + -2) = 21

Reorder the terms:
3(-2 + 5x) = 21
(-2 * 3 + 5x * 3) = 21
(-6 + 15x) = 21

Solving
-6 + 15x = 21

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 + 15x = 21 + 6

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

Combine like terms: 21 + 6 = 27
15x = 27

Divide each side by '15'.
x = 1.8

Simplifying
x = 1.8

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