Two less than is 3 times a number is the number as a equation

1 answer:

Volgvan2 years ago

6 0

This is the equation: 3x-2=5x+15
you combine like terms: 3x-3x-2=5x-3x+15 
the 3x on the left cancles out: -2=2x+15 
subtract 15 on both sides: -2-15=2x+15-15 
the 15 on the right cancles out:--17=2x 
divide by 2: -17/2=2x/2 
x equals negative 8.5: x=-8.5

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