10a-9=21

Simple and best practice solution for 10a-9=21 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 10a-9=21 equation: 



10a-9=21

We move all terms to the left:

10a-9-(21)=0

We add all the numbers together, and all the variables

10a-30=0

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

10a=30

a=30/10

a=3

See similar equations:

| 8x-2(x+3)=6x+2 | | 2x^{2}-3x+4=x^{2}+5x-3 | | 5x+3(x=2)+5=7 | | y+1345=2698 | | 20-x=480 | | 20+x=480 | | x0.120=5.00×10^-11 | | (x)(0.120)=5.00×10^-11 | | (x)(0.120)=5.00×10-11 | | 15=2m+1 | | 3(4x-5)=-5+12x | | (3x=18)+(9x-27)=99 | | 9c+5=41 | | 7x+6=(4x=24) | | X(x+4)=480 | | 0=5x^2-16x | | X(x+4=480 | | z+(–7)=0 | | 6-2(4x+1=3x-2(2x+5) | | z-1457=26 | | w-5÷4=5-3w | | 2x-3=(1/2)(x-3) | | 9y-6=4y+8 | | 3(x+3)=5x-2+3 | | 7a-9=6a+3 | | 19x-15=7x+9 | | -25+b=28 | | 4x+5-9x=-90 | | 4x+2x=5x+4 | | 48/a=6 | | 0.16(y-9)+0.02y=0.06y-2.1 | | -2(m-1)=-22 |

Equations solver categories