If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7a=21=56
We move all terms to the left:
7a-(21)=0
We move all terms containing a to the left, all other terms to the right
7a=21
a=21/7
a=3
| 4(x+3)+2x=3(2x+7) | | 4(x+3)+2x=3(2x+7) | | 80=2x+100 | | 80=2x+100 | | 80=2x+100 | | 3x-5/3=-5/4x+7/3 | | 5x+80=45-20x | | -6(+1)=2(1-3x)-7 | | 800x-1000=2000-200x | | 1.3x=8*2÷3 | | -3(3u-6)+6u=3(u+3) | | -3(3u-6)+6u=3(u+3) | | 7=1/3(8x+6 | | 3(2p+7.50)=31.50 | | 5y+20+7X=180 | | 3(2p+7.50)=31.50 | | 3(2p+7.50)=31.50 | | .05x=75 | | .05x=75 | | x+(-21)=10 | | 150m-75m+56,625=56373-200m | | 150m-75m+56,625=56373-200m | | 150m-75m+56,625=56373-200m | | –3m+–9=9 | | –3m+–9=9 | | –3m+–9=9 | | –3m+–9=9 | | –3m+–9=9 | | –3m+–9=9 | | –3m+–9=9 | | –3m+–9=9 | | 5x-(×+3)=1/3(9x+18)-5 |