21=9t-16t

Simple and best practice solution for 21=9t-16t 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=9t-16t equation:


Simplifying
21 = 9t + -16t

Combine like terms: 9t + -16t = -7t
21 = -7t

Solving
21 = -7t

Solving for variable 't'.

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

Add '7t' to each side of the equation.
21 + 7t = -7t + 7t

Combine like terms: -7t + 7t = 0
21 + 7t = 0

Add '-21' to each side of the equation.
21 + -21 + 7t = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 7t = 0 + -21
7t = 0 + -21

Combine like terms: 0 + -21 = -21
7t = -21

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

Simplifying
t = -3

See similar equations:

| 16y+18y= | | 2y-5=8y+x | | 7x-9x=10 | | x-69=750 | | 4x=2(2x+3)-x-9 | | -36-10=8x+18 | | (x+5)/3=(2x+3)/4 | | y=11-6x-1 | | 4x+51=8x-4 | | 2x+8=1x+2 | | 5/7x+8=33 | | 24x=73 | | -7p=154 | | -3(6p+3)-2(6-17p)-3(4+5p)=0 | | -18x=12-(-6) | | -4(2x-2)=64 | | 4e-5t+3e+7t-e= | | x^5-4x^4+8x^3-16x^2-16=0 | | x^5-4x^4+8x^3-16x^2-16=0 | | 2/7-2 | | 2x^3-3x^2-12x+1=0 | | -13=-5x/2 | | 4y-32=0 | | 6-3x+2x=8 | | 6-7(a+1)=3(2+a) | | 8w-13w=-40 | | 7/5x9/5 | | 4+5v=34 | | y=11-6x-2 | | 2(-4x+4)=0 | | 56x^4+24x^3+56x^2/8x^3 | | 16/7=10.5/b |

Equations solver categories