Eliminat
times first equation by -2 and add to 2nd
-2x+4y=-12
<u>2x-4y=10 +</u>
0x+0y=-2
0=-2
false
no solution
Answer:
Step-by-step explanation:
3x - 10 = x + 30
2x = 40
x = 20
Answer:
r = 1/5 or 0.2
Step-by-step explanation:
5/6r = 1/6
Divide everything by 5/6
6/30 simplified is 1/5.
Laila has to pay $75 regardless of how many shirts she gets but has to pay an additional $8 per shirt. So when you set up your equation you are going to set it equal to c (the total cost). So c=75+8x. The reason there is a variable after 8 is because we aren’t sure how many shirts she’s buying yet.
