Juma is x years if he is twice as old as Chris the sum of their ages in 10 years to come is 35

Find Chris age

2 answers

Chris' age now --- x
Juma's age now ---- 2x

10 years from now:
Chris ---- x + 10
Juma ---- 2x + 10

x+10 + 2x+10 = 35

solve for x
3x +20 =35-20 3x÷15=5 then add 5 to 10 which is 15yrs