3(5x+6)=-18+21

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Solution for 3(5x+6)=-18+21 equation:


Simplifying
3(5x + 6) = -18 + 21

Reorder the terms:
3(6 + 5x) = -18 + 21
(6 * 3 + 5x * 3) = -18 + 21
(18 + 15x) = -18 + 21

Combine like terms: -18 + 21 = 3
18 + 15x = 3

Solving
18 + 15x = 3

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 15x = 3 + -18

Combine like terms: 18 + -18 = 0
0 + 15x = 3 + -18
15x = 3 + -18

Combine like terms: 3 + -18 = -15
15x = -15

Divide each side by '15'.
x = -1

Simplifying
x = -1

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