Please help with These to (need all done)

PLEASE!

72x+7=223

x=3

g/2-6=4

g=20

u-9=-7u+7

u=2

Step-by-step explanation:

3/4x +9=3

x=-8

i don't have time for other ones but hope that was helpful

19.

step-by-step explanation:

you add the 9 in the tens column since it is a single digit and 9 plus zero is 9 so it is 19

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.