2y-9y=21

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


Simplifying
2y + -9y = 21

Combine like terms: 2y + -9y = -7y
-7y = 21

Solving
-7y = 21

Solving for variable 'y'.

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

Divide each side by '-7'.
y = -3

Simplifying
y = -3

See similar equations:

| -3(7-7x)=7x+7 | | 9d-7d+9=-13 | | (6a+3b)+(5b-8a)=0 | | 9b(4b-3)(3b+4)=0 | | (15x+10)+(2x+23)=180 | | 2.5t+t+1.50=6.75 | | 2x^2+26x^2-18x-234=0 | | -3+24-x=8x | | 3(w+6)=-2(5w-8)+9w | | -4-(-4)+12=x | | 2m+2+3m=2 | | (6x-2)+(8x-10)=0 | | -10r^2+8r-3=0 | | 6x+4=6x+8 | | 2x+10x-(6x+5)= | | tan+sec=1 | | -8m-31=6(1-8m)+3m | | 9y=-4 | | (F-32)5/9= | | (U-7)(U-3)=0 | | 18x-2=99-21-28 | | -4.2+9.1x=23.1 | | 17=-3-8x-2x | | 6z=4(.5z*8) | | 6(q-7)-(4-q)=0 | | 6x^2-21x-12=equation | | 3.7x+0.6=15.4 | | -2(3b-7)+2b=-2 | | 8=14-3x | | (3x+5y)-(7x-3y)=0 | | -2(10+v)=-52 | | X+95=0 |

Equations solver categories