Answer:
55
Step-by-step explanation:
substitute 2 into j
so do 18 x 2= 36
36+19=55
j=55
Answer:
x= 1/2
Step-by-step explanation:
13x+7 and 9x+9 with x inserted in both equal 13.5
(if the equation was 13x+7=9x+9)


Mean:

So,

Therefore,



Hope I helped :)
(Sorry I was late for you other question)
145 Ib= 65.7709kg
you can find the answer on google also they have a calculator for that if u have anymore questions like this just type in 145 Ib=__kg and it will pop up
1.find the multiples of the numbers.
2.find the common multiples of the numbers.
3.then find the least common multiple of the numbers you find.
hope this helps!!