7+2f=21

Simple and best practice solution for 7+2f=21 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 7+2f=21 equation: 



7+2f=21

We move all terms to the left:

7+2f-(21)=0

We add all the numbers together, and all the variables

2f-14=0

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

2f=14

f=14/2

f=7

See similar equations:

| -5x-25=-10x+5 | | x3-60x²+900x=4000 | | 2(2(1-x)+5)-5(3x-4)/5-2x=0 | | 7x-(5x-1)=x | | X^-3x-3=0 | | (5x+1)/(x+1)=4.9 | | 50+30x+20x²=0 | | 5s+33=118 | | -2x-29=-7 | | 4n=7n(n=2) | | a/13+6=5 | | 3(x-5)=5x=9 | | 3(x+2)=7(x-) | | -6x+3=25x | | X^+2x=5 | | 220x=161 | | (6/x+1)=(8/x) | | x/3=9/2 | | b^2+20b-40=0 | | 3x^2-7x+5x=3 | | 8x-2(3-8)=24 | | 9=4n+5 | | 2(1-2x)=3(3x+4) | | X^+3x=25 | | 220=161y | | 11=3e-4 | | 25x5x=1000 | | 52=7f-4 | | 1/4x-0.5=3.5 | | x/7+6=25 | | 3+3i=-24 | | Y=A+B/x |

Equations solver categories