Find the value of x in 3x - 18 = -3

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Solution

3x - 18 = -3

Adding 18 on both sides:
3x - 18 +18 = -3 + 18
3x = 15

Dividing by 3 on both sides:
3x $\div 3$ = 15 $\div 3$
x = 5

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