Answer:
423
Step-by-step explanation:
623+223=846/2=423
Answer:
23.5
Step-by-step explanation:
I used a calculator
2x-3y=5
2x=5+3y
X=5+3y/2
2x+2y=10
2(x+y)=10
x+y=10/2
x+y=5
X=5-y
-10-a/-4-(-2) = 8
-10-a / -2 = 8
-10 - a = -16
-a = -6
a=6
Answer:
Step-by-step explanation:
c.r.=6/12=1/2
