Since we know f(x)=11 all we need to do is substitute and solve. so
11=-2x+3 subtract 3 from both sides
8=-2x divide both sides by -2
-4=x
sub back in to check
-2(-4)+3=8+3=11 looks good
Answer:
B
Step-by-step explanation:
Answer:
10KL/1000L
8KL/800L
800L/8KL
Step-by-step explanation:
Answer:
P / 30 - 21= 9
2w = 9
w = 4.5
This should be the answer
Answer:

Step-by-step explanation:
Substitute the second equation into the first one:

Substitute
into the second equation:

