Solve for x using
cross multiplication.
x =
3x
4
2x + 7
5
x = [?]

1.8 + 0.75

Step-by-step explanation:

1.80

+0.75

= 2.55

I think. :)

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation: