Question

REZOLVATI ECUATIILE! URGENT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!a) (x+5)+(x-4)=11 b) (x+3)+(x-1)+(x+23)=52 c) [(x+29*2)*3+4]*11=1991

Answer 1

a) 2x+1=11
2x=11-1
2x=10
x=5
b) 3x +25=52
3x=52-25
3x=27
x=9
c) (3x+174)x11=1991
3x+174=1991:11
3x+174=181
3x=181-174
3x=7
x=2,3(3)