12y-21y=-42

Simple and best practice solution for 12y-21y=-42 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 12y-21y=-42 equation: 


Simplifying
12y + -21y = -42

Combine like terms: 12y + -21y = -9y
-9y = -42

Solving
-9y = -42

Solving for variable 'y'.

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

Divide each side by '-9'.
y = 4.666666667

Simplifying
y = 4.666666667

See similar equations:

| 0=26b | | 720/40320 | | 96=4b | | 3+5y(10y+(-14))=-22 | | -16-14n= | | -9a=-36 | | 13-1i=0 | | -4b=40 | | -15x=-165 | | 8m^3-2m^2+9m-7= | | -189=-27k | | 3n+1.5= | | 105=-5r | | 12+4y=40 | | -10(r+4)-4=4r+5(-6-3r) | | -2/5x-1(1/4) | | 18x^2+87x=126 | | 5y-3(y-2)=6(y+2) | | -3/5x-3/4 | | 7x+2=-5# | | 1.6+0.1x=0.9x-3.2 | | 8(v-8)=4(3v-12)-4 | | 6/-42 | | x+1+7=16 | | 9m+9=5m-3 | | 3t-5=2t-7 | | 9=1/x | | 19-h+h=-13 | | Y=x^4+3x^2-4 | | c-0.25c=105 | | 6(x+4)=14x-4 | | 3.2E+9= |

Equations solver categories