(3x+21)/7+(x+38)/5=15

Simple and best practice solution for (3x+21)/7+(x+38)/5=15 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 (3x+21)/7+(x+38)/5=15 equation: 


x in (-oo:+oo)

(3*x+21)/7+(x+38)/5 = 15 // - 15

(3*x+21)/7+(x+38)/5-15 = 0

(5*(3*x+21))/(5*7)+(7*(x+38))/(5*7)+(-15*5*7)/(5*7) = 0

5*(3*x+21)+7*(x+38)-15*5*7 = 0

22*x-525+371 = 0

22*x-154 = 0

(22*x-154)/(5*7) = 0

(22*x-154)/(5*7) = 0 // * 5*7

22*x-154 = 0

22*x-154 = 0 // + 154

22*x = 154 // : 22

x = 154/22

x = 7

x = 7

See similar equations:

| 8x-16+4x+20=112 | | 0.7x-3.3=0.9 | | 2u-2/3=-1/2u-5/2 | | x+9/10=6/5+x-9/8 | | 5x-11+4x+1=98 | | 10/2M=8 | | -20p-36+30p=6p-24-28 | | 7y+2(y-2)=6(y+1)-3 | | 4x+3x+6=48 | | x(x-14)=-40 | | -3(4t-5)+5t=7t-4 | | x-10=28 | | -5(3t-5)+7t=5t-7 | | 3(6-z)/2=-z | | 10x-35=5x-25 | | p(p-4)=12 | | -6(2x-5)+5=-12+35 | | 2yt-4=3y-5 | | -(5x-3)-(5x-6)+14=-12(x-1)-(3x+12)+3 | | 1+5x=x+37 | | 9x+5=9(x+5) | | (4x+4)/(x-1) | | 7(4x+4)=28+28 | | 0.21=log(x) | | x^4-9x^2-2=0 | | 7(x+9)=0-2x | | x+3x-18=158 | | 7x+72=0-2x | | 3(x+5)=-12(x+1) | | 1/4-x=1/2x+(9/4) | | (-1/2)x-1=7 | | 5x+4x+180=0 |

Equations solver categories