21-1t=12

Simple and best practice solution for 21-1t=12 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 21-1t=12 equation: 


Simplifying
21 + -1t = 12

Solving
21 + -1t = 12

Solving for variable 't'.

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

Add '-21' to each side of the equation.
21 + -21 + -1t = 12 + -21

Combine like terms: 21 + -21 = 0
0 + -1t = 12 + -21
-1t = 12 + -21

Combine like terms: 12 + -21 = -9
-1t = -9

Divide each side by '-1'.
t = 9

Simplifying
t = 9

See similar equations:

| 7/10x1/23 | | 500+0.35x=1342.50 | | x^2-24x=40 | | y^2+6y+14=0 | | 13x1/11 | | 2x+3y=155x-4y=-43 | | 18=6q-2q | | x^6*x^6= | | (2x^-3/y^-3)^-4 | | x^12-9=y | | x^12-9= | | 1996+43x=48.99 | | 15(15+x)=75 | | 9x+63=81 | | x^2-5x-14=o | | w^2+6w+25=0 | | -20+x=8x | | -3p^2-10p-3= | | P=2w-2l | | 1=m/-2-3 | | (X/3)+1=12x-11 | | 2q^2+10q-3=0 | | X/3+1=12x-11 | | (m-9/3)-(6m-2/4)=1 | | Z^2+14z+38=0 | | 6x-2+2x=-58 | | (4x+3)(x+1)=12 | | 9[6-(-3x-1)]=54x+72 | | x[6-(-3x-1)]=54x+72 | | -4x+5(7x-6)=123 | | 4x-9=x+25 | | 5x+2-9=0 |

Equations solver categories