1/7r+3(1/7r=2

Simple and best practice solution for 1/7r+3(1/7r=2 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 1/7r+3(1/7r=2 equation:



1/7r+3(1/7r=2
We move all terms to the left:
1/7r+3(1/7r-(2)=0
Domain of the equation: 7r!=0
r!=0/7
r!=0
r∈R
Domain of the equation: 7r-2!=0
We move all terms containing r to the left, all other terms to the right
7r!=2
r!=2/7
r!=2/7
r∈R
We calculate fractions
(7r-2)/(49r^2-2)+(3(1*7r)/(49r^2-2)=0
We calculate terms in parentheses: +(3(1*7r)/(49r^2-2), so:
3(1*7r)/(49r^2-2
We add all the numbers together, and all the variables
3(+1*7r)/(49r^2-2
We multiply all the terms by the denominator
3(+1*7r)
We multiply parentheses
21r
Back to the equation:
+(21r)
We add all the numbers together, and all the variables
21r+(7r-2)/(49r^2-2)=0
We multiply all the terms by the denominator
21r*(49r^2-2)+(7r-2)=0
We multiply parentheses
1029r^3-42r+(7r-2)=0
We get rid of parentheses
1029r^3-42r+7r-2=0
We do not support erpression: r^3

See similar equations:

| 7.8+2(0.75m+0.4)=-6.4m+(0.5m-0.8) | | 28+x=2x+18 | | t/5/2=-3/10 | | X+34=2x+22 | | 2(7-x+4x=20) | | 16x-11=-6 | | 12+x÷2=14 | | 1/4-y=5 | | 3n+45=6.75n | | 10n-5=8n+11 | | 7x−5=49x. | | 7/10+1/3x=25/30 | | 88.2-2.3f=72.46 | | -27-2m=-8m-9 | | -2p+8=5-(10+6) | | 5k^2-6=9 | | 8x-8=9x-8 | | 2m^+10=210 | | .3x-21=1.1x-25 | | 2(2x-0.2(-2x10)+4x=-3(0.2x+4) | | 7x−8=56x−8 | | 15x-3=72 | | s-10=20.13 | | 5(3x+9)-2x=15x-2(x-5 | | 0.5(x-8=0.2x+11 | | s-$10=$20.13 | | (3x+5)+7x-15=180 | | 2997=27(p+30) | | y-6+63=180 | | 5x-2x+1=25 | | 6=a/4+7 | | 5/6x-1/3=11/18 |

Equations solver categories