Answer:
b)Add the equations to eliminate x.
Step-by-step explanation:
y= x+20
y= - x+2
Result of the addition: (-x cancels x)
2y = 22
y =11
11=x +20 -9 = x
11=9+2
11 = -9 +20
85% of 690 lbs would be 586.5
Answer:
$12.6 after marking it up by 90%
Step-by-step explanation:
Answer:
n=-6
Step-by-step explanation:
Answer:
12x+24
Step-by-step explanation:
by multiplying the number 6 into the term inside of the bracket gives 12x + 24
