t+9=21

Simple and best practice solution for t+9=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 t+9=21 equation:


Simplifying
t + 9 = 21

Reorder the terms:
9 + t = 21

Solving
9 + t = 21

Solving for variable 't'.

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

Add '-9' to each side of the equation.
9 + -9 + t = 21 + -9

Combine like terms: 9 + -9 = 0
0 + t = 21 + -9
t = 21 + -9

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

Simplifying
t = 12

See similar equations:

| -4x-3=x+7 | | 5b+3=13 | | 11-9x=101-44x | | x^2-6x+952=0 | | 5+n+(15-2)= | | 3*3+5y=15 | | 3x+4=9x-8 | | 5x+2-2=4x-6 | | 4-2(4x-5)=-6+14 | | 7x-7= | | 15x-10(-0.33+0.66)=5 | | (5a)(5b)= | | 6x-12=3x+26 | | 5(w-3)=3w | | 5b+7=22 | | (.4)7=.6(.1+x) | | 5x-12y-17=0 | | 15y=-5+10x | | 9+4-3+7=3 | | 2m+2n-2m+11n= | | 2x+30=11x-60 | | -1+3+n=-1+5 | | x+4*0=16 | | (.4)7=.1 | | x+15-4= | | 0.06-0.01x-0.01=-0.04+0.02x | | 6-24=x-8+19 | | 0+4y=16 | | 3b+4.5=0 | | 5=5y-4y+4 | | x^2-36x-140=0 | | 8y-7y-2=7 |

Equations solver categories