Question

va rog frumos...
a) 4x+1+2(x-5)=5(x+1)
b) 3(2x+3)-2(3x+2)=-3(x+2)+2
c) x-15+3(x+1)=5(x-2)+11
d) 4(x+3)+15(x+1)=3(2x+3)+7(x+4)+8
e) 5(2x-3)+4(4x+7)-48=3(2x+1)+4(x+3)+30
f) x+3supra2+xpe4+ 2×+5supra6=x+1supra4-5supra12
g) 2x+1pe3+xpe6-3pe4=2 11pe12+x-4pe2
Multumesc mult

Answer 1

a) 4x+1+2(x-5)=5(x+1)

4x+1+2*x+2*5=5*x+5*1

4x+1+2x+10=5x+5

4x+2x-5x=-1-10+5

x=-6

b) 3(2x+3)-2(3x+2)=-3(x+2)+2

3*2x+3*3-2*3x+2*2=-3*x+-3*2+2

6x+9-6x+4=-3x+(-6)+2

6x-6x+3x=-9-4-6+2

3x=-17

x=-17/3

c) x-15+3(x+1)=3(2x+3)+7(x+4)+8

x-15+3*x+3*1=3*2x+3*3+7*x+7*4+8

x-15+3x+3=6x+9+7x+28+8

x+3x-6x-7x=15-3+9+28+8

-9x=57

x=57/-9

x=19/-3