Question

h) 5b + 3 (2 + 2b) = -5




i) 10 – 8 (- x – 7) = 6 – 4 (x – 3)



j) 3x15= 6

Answer 1

h)5b+3(2+2b)=-5
8b+4b=-5
12b=-5
b=-5+12
b=7
i)10-8(-x-7)=6-4(x-3)
2-7x=2+3x
3x-7x=2+2
-4x=4
x=4/-4
X=0
espero ter ajudado!