(90-3x)/(x+8)=7

Simple and best practice solution for (90-3x)/(x+8)=7 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 (90-3x)/(x+8)=7 equation: 



(90-3x)/(x+8)=7

We move all terms to the left:

(90-3x)/(x+8)-(7)=0



Domain of the equation: (x+8)!=0

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

x!=-8

x∈R



We add all the numbers together, and all the variables

(-3x+90)/(x+8)-7=0

We multiply all the terms by the denominator


(-3x+90)-7*(x+8)=0

We multiply parentheses

(-3x+90)-7x-56=0

We get rid of parentheses

-3x-7x+90-56=0

We add all the numbers together, and all the variables

-10x+34=0

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

-10x=-34

x=-34/-10

x=3+2/5

See similar equations:

| -(5/2v+12)+1=-(8/v+6) | | -5/2v+12+1=-8/v+6 | | 36x+120=-12x+264 | | x+2=4x+1 | | 10x^2-6x-8=0 | | 7n^2+55n=-42 | | 11/2-x=1/10 | | (3/2)x+2-(1/2)x=(1/2) | | 4^5x+3=3^x+1 | | 2w2-3w-5=0 | | 7(3)^x-4=63 | | w2-3w-40=0 | | -5x-13=-40 | | z2-11z-24=0 | | 4x2-12x=7 | | 4z2+4z=-1 | | 2t+1=-1.0413 | | (3x)^-2/3=16 | | 2x^2/2^x=0 | | y2-5y-24=0 | | 2x^2/2^x=16^(3/2) | | -15x+29=5x-21 | | y2-12y-36=0 | | 11n−1=6n+19 | | 20-(0.75-s)8=6 | | q÷6=17 | | 1/3+2x/4=5 | | 1/3x-8=5/6x+4 | | -6(2c+4)-1=-2(c+5) | | x÷3-8=2 | | 2x2-10x-6=0 | | 86=2x-4(-4-3x) |

Equations solver categories