Question 666889


1. 

{{{2+5t-3=34}}}

{{{5t=34-2+3}}}

{{{5t=35}}}

{{{t=35/5}}}

{{{t=7}}}


2. 

{{{3y+15-y=39}}}

{{{3y-y=39-15}}}

{{{2y=24}}}

{{{y=24/2}}}

{{{y=12}}}

3. 

{{{5(n+2)=10}}}

{{{5n+10=10}}}

{{{5n=10-10}}}

{{{5n=0}}}

{{{n=0}}}

4.

{{{4d-5=-d}}}

{{{4d+d=5}}}

{{{5d=5}}}

{{{d=5/5}}}

{{{d=1}}}


5. 

{{{17-5m=50+6m}}}

{{{17-50=5m+6m}}}

{{{-33=11m}}}

{{{-33/11=m}}}

{{{-3=m}}}

6. 

{{{3f-12=3(f-12)}}}

{{{3f-12=3f-36}}}

{{{3f-3f=12-36}}}

{{{0=-24}}}.....false..means, no solution exist

7. 

{{{ 8(4p+1)=32p+8}}}

{{{ 32p+8=32p+8}}}

{{{ 32p-32p=8-8}}}

{{{ 0=0}}}......true