-9=-2y-21

Simple and best practice solution for -9=-2y-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 -9=-2y-21 equation:



-9=-2y-21
We move all terms to the left:
-9-(-2y-21)=0
We get rid of parentheses
2y+21-9=0
We add all the numbers together, and all the variables
2y+12=0
We move all terms containing y to the left, all other terms to the right
2y=-12
y=-12/2
y=-6

See similar equations:

| -5x-36=-5(x+8)+4 | | 3(n+5)=8(5-n) | | 58=6x+16 | | n=222n | | 25x+31=22x+59 | | -10k-39=51 | | 4=-2r+10 | | -8g=-8−10g | | -10x+32=-2(5x+10) | | 2/3p-4=10 | | -9+w=-3+7w | | -7x=8(-6x+6)-7x | | -10x+32=-2(5x+10 | | 12x-32=23x+27 | | 5.6+2y=3y+1.6 | | 22=m/4 | | 11=2+3k | | 2(x-4)=5(4-2x)=4x | | 3x-9-17=4 | | 100/4.9=t^2+10t | | x-5(3x-6)=114 | | 3x-9=7-2x-x | | 16.24+5.3x=2(4.8-1.6x)+0.2x | | 3x-9=7=2x-x | | 1/5+x=x/2-2 | | -10+8k=30 | | -2+3x=-(x+-6) | | 20+2n=8(2n-8) | | x^2+2-12,320=0 | | 125+0.75x=290 | | 3(5x-7)+1=-2x-5 | | 11x+15=29 |

Equations solver categories