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OpenStudy (anonymous):
Solve the following system equations. 3y=12 2x+y=-16 and some of my answers are (-4,-10) (-10,4) (4,10) (3,3)
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OpenStudy (anonymous):
\[3y=12\]\[y=12\div3\] y=4
Then plug y into the other equation to find x
OpenStudy (anonymous):
That isn't helping
OpenStudy (anonymous):
okay well your first equation is 3y=12 correct?
OpenStudy (anonymous):
Its all together
OpenStudy (anonymous):
isnt it 3y=12 and the other is 2x+y=-16
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OpenStudy (anonymous):
no the question reads solve the following system of equations/ 3y=12 2x+y=-16 my answers include (-4,-10) (-10,4) (4, 10) (3,3)
OpenStudy (anonymous):
yes a system of equations is two equations. there is a space between the 12 and the 2x.
OpenStudy (anonymous):
can u help me solve this
OpenStudy (anonymous):
yes. they are asking to solve for x and y
OpenStudy (anonymous):
so start by solving for y
3y=12
y=12÷3
y=4
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OpenStudy (anonymous):
now sub 4 in for y in the other equation to find x
OpenStudy (anonymous):
Would it be 4,10
OpenStudy (anonymous):
-10,4
OpenStudy (anonymous):
2x + y = -16
2x + 4 = -16
2x = -16 - 4
2x = -20
x = -20/2
x = -10
Its a - 10.
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