9t-21=12t

Simple and best practice solution for 9t-21=12t 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 9t-21=12t equation:


Simplifying
9t + -21 = 12t

Reorder the terms:
-21 + 9t = 12t

Solving
-21 + 9t = 12t

Solving for variable 't'.

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

Add '-12t' to each side of the equation.
-21 + 9t + -12t = 12t + -12t

Combine like terms: 9t + -12t = -3t
-21 + -3t = 12t + -12t

Combine like terms: 12t + -12t = 0
-21 + -3t = 0

Add '21' to each side of the equation.
-21 + 21 + -3t = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -3t = 0 + 21
-3t = 0 + 21

Combine like terms: 0 + 21 = 21
-3t = 21

Divide each side by '-3'.
t = -7

Simplifying
t = -7

See similar equations:

| 9x+26+7x-17=2x(-3)+5x | | 7/10(-20/-77) | | -y^2+7y=0 | | 5.1(1.3-2.7)=(11.9-9)p | | 7.06x+81=62.41+9x | | x+22=47# | | x+(x+1)+(x+2)+(x+3)+(x+4)=80 | | 7x^2-13x+6= | | x+9*2=34 | | 3x=1-5x+12x+5 | | 8/9x7/12 | | 3x^2-16x-12= | | x+9*2=134 | | y=2x+x+6 | | 7=4(-2)+5 | | 7/20-9/3 | | 3x+4.95xy+17y+39y-8x+9.29= | | 6m+9=80 | | 5/X-9/7=-4/7 | | (6x+5)=(8x+1) | | 6/15=12/y | | 4/5x-6/5=4 | | 111+2h=981 | | x-0.2x=275 | | 3x-25=x+15 | | 6x+4.85xy+25y+34y-16x+9.78= | | 8cos(6x)-4=0 | | 3=11x-6x^2 | | 7.8(x-4)=-0.2x+16.8 | | 7/10-4 | | -1/3X=-1 | | 8x+62=180 |

Equations solver categories