3^x=21

Simple and best practice solution for 3^x=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 3^x=21 equation: 



3^x=21

We move all terms to the left:

3^x-(21)=0

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

3^x=21

x=21/1

x=21

See similar equations:

| 1+2x-4x-3=18 | | -2(x+2)=-4x+16 | | 233=119-y | | x^2-12x+36/x+7=0 | | 3x-7=5x+37 | | 27x+18=360x+72 | | 2(4x+6)=5x+3(x+4 | | (–4,6);m=3/4 | | (3x+3)=129 | | 14x+44=12 | | y/2=-31 | | 12y-1+3y=-6 | | 2(2.3t−3.2)=9.7= | | (2x+25)=55 | | 20=-4u | | 4^(x+1)-2^(x+3)-320=0 | | 2n=2-3n | | -7+23y=11 | | 3(2x-7)^2=15 | | x/3-7=2x/3+2 | | 18x+6-4x=34 | | 18x+6-4=34 | | -11b+7=40 | | −4(−3x−2)+4x+5=−3 | | x+9=2x-111 | | 750=30w | | 675=5n | | (7x-18)(5x+11)=0 | | 476=f+196 | | 7c-12=65 | | 3x+18=3.75 | | 4^(x+1)+2^(x+3)-320=0 |

Equations solver categories