Answer:
see below
Step-by-step explanation:
24 = c + -10
Add 10 to each side
24+10 = c-10+10
34 = c
Check
24 = 34 + -10
24 = 24
This is a true statement so it is a solution
Answer:
9
Step-by-step explanation:
forget all this grammar,
let the number be x,
x = {18(15-12)} / 6
x = {18(3)} / 6
x= 54/6
x= 9
value is therefore 9
Let Judy be j years old;
Then James is 4j
In two years time
Judy=(j+2) years
James=(4j+2) years
James will twice as old;
4j+2=2(j+2)
4j+2=2j+4
4j-2j=4-2
2j=2
j=1
Judy is 1 year old and James is 4 years old
Answer:

Step-by-step explanation:
Recall that
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