7y+9=10y-21

Simple and best practice solution for 7y+9=10y-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 7y+9=10y-21 equation: 



7y+9=10y-21

We move all terms to the left:

7y+9-(10y-21)=0

We get rid of parentheses

7y-10y+21+9=0

We add all the numbers together, and all the variables

-3y+30=0

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

-3y=-30

y=-30/-3

y=+10

See similar equations:

| 2(x+12)=3x+24-2x | | 7/8=b/16 | | 10-(4x-2)=8 | | 17+9.8x=7.6x-16 | | 27+3(h+1)=27+(3h+3)(=10) | | c+2c+(.25c-100)+4c=7,850 | | 7x+3+5x=8x-3-6 | | 34=12y-12y | | 3w-7w-12=2w-6 | | -140=7n-7 | | |v-4|+8=18 | | (4y-9)+(90)=180 | | 4n+6-2n=2(n | | -7-2t=-3t+8-6 | | 2/5(6f+9)=3f+7 | | 18x-98x-7)=67 | | 232=8(8-3x) | | 4x^2+58x-170=0 | | 30=2(2x-6) | | -7w=-8w-2 | | 2x-(x+3)=1 | | 2(x+9)-(2x+15)=5 | | 1200=4x+x | | 8+2x-8=24 | | 9.80(x-10x)-(4.50x+225)=198.36 | | -24-11x+6x=56 | | -4g=-6+2g | | 5x+1=4x-4+4x-10 | | 306/3=b/205 | | 5-s=-3s+3 | | 3x+7=-x+21 | | 1n=15+6n |

Equations solver categories