| 3x+2(2x-8)=15
y=2(3)-8
3x+4x-16=15 y=6-8 7x-16=15 y=-2 7x=21 x=3 (3,-2) |
First I took the y and put y=2x-8 into the y area on the other equation and got 3x+2(2x-8)=15. From there I just added my like variables and got 7x-16=15. Then I subtracted -16and got 7x=21. And last divided 7 from 21 and got x=3. Then I put x in the y equation and got y=2(3)-8. The multiplied and got y=6-8. The subtracted and got y= -2. |
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