Problem :
Solve for y: 7 + y = 13
y = 6
Problem :
Solve for m: 17 + m + 13 - 20 = 15
m = 5
Problem :
Solve for k: 3k + 2 = 11
k = 3
Problem :
Solve for c: (6 + c)/2 = 5
c = 4
Problem :
Solve for u: 18 - u = 5
u = 13
Problem :
Solve for q: 3×(9 - q) = 27
q = 0
Problem :
Solve for j: 14 + j = 7
j = - 7