I think it’s b
have a nice day
X+3y=7
x-3y=1
add them together
x+3y=7
<u>x-3y=1 +
</u>2x+0y=8
2x=8
divide 2
x=4
subsitute
x+3y=7
4+3y=7
subtract 4
3y=3
divid 3
y=1
x=4
y=1
answer is A
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They are parallel when the slopes are the same
example:
y=2x+3
y=2x-5
Answer:
This is the value in numbers.
5(n-12)>40
Step-by-step explanation:
Let's solve your inequality step-by-step.
5(n−12)>40
Step 1: Simplify both sides of the inequality.
5n−60>40
Step 2: Add 60 to both sides.
5n−60+60>40+60
5n>100
Step 3: Divide both sides by 5.
5n
5
>
100
5
n>20
Answer:
n>20
