f+21=90

Simple and best practice solution for f+21=90 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for f+21=90 equation: 



f+21=90

We move all terms to the left:

f+21-(90)=0

We add all the numbers together, and all the variables

f-69=0

We move all terms containing f to the left, all other terms to the right

f=69

See similar equations:

| 337=-3+59x+6) | |  x+7-x=4  | | 50/70=x/14 | | -3+y=30 | | 2p/9+12/9=2 | | 256x+121=138 | | 2(x+3)=4x-10  | | 12x-4=3+11x | | −5(−2b−9)=8b−7 | | 2=p+1/3 | | 2x+4=@x+5 | | 2(x+3)=4x-10       | | -4(-9x-7)=8(x-7) | | 2.5(x-10)=50 | | 7+2(4-3g)=g-7g-3 | | 2(x+4)-8=32 | | 8.25h=50 | | 7=v/10 | | (8x-5)+(2x-3)=0 | | (x+6)/7+(x+6)/3=1 | | -10×+5=7x+5 | | 3(2t+5)=5+25 | | -9y-14=-59 | | 20+4x+5+x=35 | | 5=k/7 | | (12x-4)=110 | | 1/2(4x+12)-11=-2/3(27x-12) | | x/4=165/20 | | z/5+8=−43 | | 141=2x+1 | | -3y-(1y+4)=9 | | d+-11=66 |

Equations solver categories