Answer:
x=9
Step-by-step explanation:
2(9)+3
18+3=21
3(9)-6
27-6=21
when you plug in 9 for the x variable you will get the same end value
Answer:
0.027
Step-by-step explanation:
0.1×0.1×0.1=0.027----->2.7×10^-2
37 = 2/3x - 1
37 + 1 = 2/3x
38 = 2/3x
38 / (2/3) = x
38 * 3/2 = x
114/2 = x
57 = x <=== when complete, the highway will be 57 miles
Answer:
has 25, wants 130, so he needs to save (130-25)= 105.
105/7= 15 weeks
25+7w= 130