3t-21=t-9

Simple and best practice solution for 3t-21=t-9 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 3t-21=t-9 equation:


Simplifying
3t + -21 = t + -9

Reorder the terms:
-21 + 3t = t + -9

Reorder the terms:
-21 + 3t = -9 + t

Solving
-21 + 3t = -9 + t

Solving for variable 't'.

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

Add '-1t' to each side of the equation.
-21 + 3t + -1t = -9 + t + -1t

Combine like terms: 3t + -1t = 2t
-21 + 2t = -9 + t + -1t

Combine like terms: t + -1t = 0
-21 + 2t = -9 + 0
-21 + 2t = -9

Add '21' to each side of the equation.
-21 + 21 + 2t = -9 + 21

Combine like terms: -21 + 21 = 0
0 + 2t = -9 + 21
2t = -9 + 21

Combine like terms: -9 + 21 = 12
2t = 12

Divide each side by '2'.
t = 6

Simplifying
t = 6

See similar equations:

| 145+x+15=180 | | 6+4x-y=0 | | 500(x^2+10)-3250x=0 | | 80+x-10=180 | | 80=-10 | | -5i(8-6i)= | | 39x^2-7x+3=0 | | 3X-2Y=5X+8 | | 30+85+(2x-5)=180 | | 10b=-19 | | 0=x^2+9x+10 | | P-6.3=2.1 | | 7r^2-8r= | | 11n-10n-6=-17 | | 4j-16=40 | | 9w=2 | | 9m-27=2m | | -42=-7p | | -3x+15=5x-17 | | 11x-16=5x+10 | | 2x^3-25x^2-35x-98=0 | | 1.6n=5 | | Logx^81=2 | | 6x+25=x^2+6x+9 | | 13=2f+513 | | 150+x-5=180 | | -108=-6(-7+5x) | | -4.9t^2+9.1t+1.4=0 | | 3.5=8.5n-7.5n+7.8 | | 169=-84n | | -441=-7(7n+7) | | 12x-8=5x+55 |

Equations solver categories