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18 votes
Y= -3+ 2x

3x+2y=2

I need help ASAP
What the solution for this someone pls

2 Answers

2 votes
y=-3+2x
3x+2y=2

3x+2(-3+2x)=2
3x-6+4x=2
+6 +6
7x=8
/7 /7
x= 8/7

Now plug that in to find y

y=-3+2(8/7)
-3+16/7
-3+2 2/7
y=-5/7
User Garden Li
by
3.2k points
10 votes
Substitute the 1st equation in the 2nd, we get:

3x + 2(-3 + 2x) = 2
3x -6 +4x = 2

7x = 8
x = 8/7

Replace x = 8/7 in equation 1,

y = -3 + 2(8/7) = -3 +16/7 = -5/7
User Jlapoutre
by
3.4k points