3(a-7)=78

Simple and best practice solution for 3(a-7)=78 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 3(a-7)=78 equation: 



3(a-7)=78

We move all terms to the left:

3(a-7)-(78)=0

We multiply parentheses

3a-21-78=0

We add all the numbers together, and all the variables

3a-99=0

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

3a=99

a=99/3

a=33

See similar equations:

| -6w+-14=4(-3+8) | | 12x-2264=2624 | | 3(a-21)=78 | | 3x-12.96=32.46 | | 2x+12.96=32.46 | | 89+(6x+19)=180 | | 2a+4=3a−32 | | 4x+6=3x+6+x | | 15x^2+75x-1560=0 | | (40+28)+x=180 | | 2x-32.46=12.96 | | .7x+1.5=3.6 | | 3x+12.96=32.46 | | 40+28=x | | 8x-35=6x-5=3x-1 | | 7x+33=8x+28 | | 2x+68=32 | | 63+27=x | | 7y+25=-6y+5 | | (9x+9)+(7x+27)=180 | | 8x-15x=3 | | –16+x–4x+2=2x–5x+1+9 | | 2x+32=-68 | | y+11=-9 | | x*x+5x-104=0 | | 8+n=92 | | (6x-11)-29=90 | | (120-29)+x=180 | | (x+2)x5=35 | | 0.8g=10 | | 3/4(8j+12)=1/4j+105/4 | | 11=-3x-x |

Equations solver categories