8x-9y=11
First you move the 8x because you have to leave the 9y alone
8x-9y=11
-8x -8x
-9y=11-8x
Now you have to move the -9, so the inverse of multiplying is dividing so you divide -9.
-9y/-9= 11/-9 -8x/-9
since you can't have negative as a denominator it would be:
y= -11/9+8x/9
<span>You have to change the signs</span>
Answer:
x = -7
Step-by-step explanation:
2x+2-x+5=0
x+2+5=0
x+7=0
x = -7
So the answer is -7
Answer:
-22
Step-by-step explanation:
if f(-4) then f(-4) = 3(-4) - 10
which equals -22
Answer:
Option (C) Miguel's daily wage=$70
Step-by-step explanation:
This can be expressed as;
Total amount a week=Amount he earns per day×number of days he works in a week
where;
Total amount a week=$490
Amount her earns per day=x
Number of days in a week=7 days, since wages are paid weekly even on days that Miguel does not go to work, like weekends.
replacing;
490=x×7
x=490/7
x=70
Miguel's daily wage=$70
