Question

rezolvati in z ecuatiile
a)2(x-3)+1=-11 b) 5(2x+1)-7(x-2)=1 c) 3(2x-1)-2(3x-5) =7 d)27-3(2x+3)=2(1-3x)
e) 4(x=2)-3x= 3x+5

Answer 1

a)2(x-3)+1=11
2(x-3)=11-1
2(x-3)=10
x-3=10:2
x-3=5
x=5+3
x=8