Try to calculate them in your head and if that doesn't help use a calculator. I hope this helps
Answer:
y=1.5 that what i got okay
Answer:
x <-14.5
Step-by-step explanation:
2x + 2(x+5) <+4(8 – 20)
Distribute
2x+2x+10 < 4 (-12)
4x +10 < -48
Subtract 10 from each side
4x+10-10 <-48-10
4x< -58
Divide each side by 4
4x/4 < -58/4
x <-14.5
15x + 28y = 116
x + y = 6
that would be ur system of equations