7+3a=28

Simple and best practice solution for 7+3a=28 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 7+3a=28 equation: 


Simplifying
7 + 3a = 28

Solving
7 + 3a = 28

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + 3a = 28 + -7

Combine like terms: 7 + -7 = 0
0 + 3a = 28 + -7
3a = 28 + -7

Combine like terms: 28 + -7 = 21
3a = 21

Divide each side by '3'.
a = 7

Simplifying
a = 7

See similar equations:

| 3x-7=9x-8 | | -463=v-535 | | 19c-3a+b= | | m=925+2200+0.2(4800+925+0.12m) | | 4(v+1)=17.5 | | 14=v+18.5 | | 5x+34=7x-6 | | 10r-9r=18 | | 3x-12=4(x+9) | | 3(2x+1)+2(4x+2)=24 | | 6+42x=21x+12 | | 10-(3x-3)=9-4x | | n+103=-5n+7 | | z-38=8 | | n^2=-14+9n | | n+88=91 | | a^2+4=20 | | 24x^2-30x+9=0 | | 230a+835b=23600 | | 5x+5=-35-3x | | 24x-30x+9=0 | | 13(y-9)=3(4y+8)-141 | | 3x^2-24x+144=-36 | | 8+4y=20 | | -4x+25=21 | | 5v+3v-5v-v=14 | | x=80000+0.1(195000+0.05x) | | 2(b-5)+-4(2b-3)=-5 | | 480a+1815b=50700 | | 7y-6=9+2y | | (4h-1)(2h+3)=0 | | 8x+24=4x+96 |

Equations solver categories