Asked by Haylie
3x+3y=15
3x-6y=-12
Please help me solve each system of equation and show your work thanks.
3x-6y=-12
Please help me solve each system of equation and show your work thanks.
Answers
Answered by
Reiny
just subtract them as they sit
9y = 27
y = 3
plug back into the 1st
3x + 9 = 15
3x = 6
x = 2
x = 2, y = 3
9y = 27
y = 3
plug back into the 1st
3x + 9 = 15
3x = 6
x = 2
x = 2, y = 3
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