So we have
y=-2x-6
y=x+9
elimination
multiply second by e
2y=2x+18
just add them
y=-2x-6
<u>2y=2x+18 +
</u>3y=0x+12
3y=12
divide by 3
y=4
subsitue
4=x+9
subtract 9
-5=x
x=-5
y=4
<u />
Answer:60.58
Step-by-step explanation:add the first numbers 64.67 take that from 125.25 and u got 60.58
The student should have distributed the -3 to both terms in the parenthesis in the first step. so it should’ve been 9x= -6-9y
Answer:
21.33
Step-by-step explanation:
5.33 plus 16
Answer:
12.5 inches? I think
Step-by-step explanation:
gotta go do my work