13=3u+7

Simple and best practice solution for 13=3u+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 13=3u+7 equation:


Simplifying
13 = 3u + 7

Reorder the terms:
13 = 7 + 3u

Solving
13 = 7 + 3u

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-3u' to each side of the equation.
13 + -3u = 7 + 3u + -3u

Combine like terms: 3u + -3u = 0
13 + -3u = 7 + 0
13 + -3u = 7

Add '-13' to each side of the equation.
13 + -13 + -3u = 7 + -13

Combine like terms: 13 + -13 = 0
0 + -3u = 7 + -13
-3u = 7 + -13

Combine like terms: 7 + -13 = -6
-3u = -6

Divide each side by '-3'.
u = 2

Simplifying
u = 2

See similar equations:

| 30=9.6x | | 6x(360/4) | | 7w^2-3w-9=0 | | 5(s+2t)+2(3s-t)= | | -4+3x=5x | | 0.66x=5 | | 83.7(-723.7)= | | X^2+8=-30 | | 7k^2-3k-5=0 | | a^4-a^3-3a^2+5a-2=0 | | 8d^2-7d-3=0 | | x^2+2y^2-8y-6x-9=0 | | x^10-100=0 | | (3x+14)+(2x-4)=60 | | 25/100=x/4260 | | 5y-10+y+60=6y+50-3y | | y=-(x+3)(2x-7) | | -24a^5b^3/21a^2b | | 6+13s-4=7s+57-5s | | 20(x)=14(0.5) | | 12y-4y+3= | | 2c^2-16c+30=0 | | 2c^2-16c-30=0 | | 1/2(10−n)2n | | 5(5x+3)=-5(2x-5)+2x | | 3(4p+1)=7(p+9) | | -5(49x+12)=27(-30-x) | | 2(x-3)=39 | | 3+3u=12 | | 16x-2=15x+6 | | -15x-89=-63-25x | | N-20=7n+10 |

Equations solver categories