21/7(1+x)=9

Simple and best practice solution for 21/7(1+x)=9 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 21/7(1+x)=9 equation: 



21/7(1+x)=9

We move all terms to the left:

21/7(1+x)-(9)=0



Domain of the equation: 7(1+x)!=0

x∈R



We add all the numbers together, and all the variables

21/7(x+1)-9=0

We multiply all the terms by the denominator


-9*7(x+1)+21=0

Wy multiply elements

-63x(x+21=0

See similar equations:

| 3a+8=a-20 | | 2x/)3)+5/2=4 | | 5b+15=3b+3 | | 7x-8=2x+5 | | —x/7.6=-0.8 | | (20p/3)=-10 | | 4905=x-(0.1x) | | 7320=x-(0.1x) | | -2x^2+x^2+x^2=0 | | 39-2x=11x | | 126/n=-9 | | (25-b)×3=(39-b) | | y+11y+20=0 | | 75-3b=39-b | | 5515=x-(0.1x) | | 7930=x-(0.1*x) | | 1/4x+3/6+x=0 | | y=√434 | | y=-√434 | | y=+-√434 | | 1-10x÷3=7 | | 7x-2=34+4x | | x+21+x+2x-17=180° | | P(x)=2x+3 | | -1+4x=-3=18x | | 2x+13=-47 | | 9x²-72=0 | | 3x-9+2x=3x+7 | | 2x^2=10+6 | | m÷3=2 | | 3(5g-7)-8=0 | | 4/x-1=10/3x-1 |

Equations solver categories