Question

5(3x+2) -3(2-2x) +4(x+6)
4(2a+5) -3(4-a) +5(a+3)
2(x+y) -3(x-3y)
При x=2
При y=1

Answer 1

5(6+2) - 3(2-4) + 4(2+6) = 40-(-6) + 32= 78

4(2а +5) -3(4-а)+5(а+3) = 16а + 23

2(2+1) -3(2-3) = 6-(-3) = 9