-21=7(t-9)

Simple and best practice solution for -21=7(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 -21=7(t-9) equation: 



-21=7(t-9)

We move all terms to the left:

-21-(7(t-9))=0



We calculate terms in parentheses: -(7(t-9)), so:

7(t-9)

We multiply parentheses

7t-63

Back to the equation:

-(7t-63)



We get rid of parentheses

-7t+63-21=0

We add all the numbers together, and all the variables

-7t+42=0

We move all terms containing t to the left, all other terms to the right

-7t=-42

t=-42/-7

t=+6

See similar equations:

| 38=2(f+10) | | 3j+10=j−2 | | 25=10h+ | | -3(5-x)=21 | | -6(-5x+4)-8x=4(x-1)-5 | | 6k^2-42k+71=0 | | 8x+8=4x+34 | | –2x+2+4x=–8x+7x–1 | | -5*x^2+18*x-10=0 | | X-8=-2x+10 | | 5x/8=150 | | 7x=35/18 | | 44=2b | | 1/3(12x-15)=x+3x+5 | | –5+4y=3y | | 7x=5=31 | | 6.4x=21 | | 4s-37=43 | | m/10=4/5 | | 3/7=x/10 | | 4/6=7/m | | Z2-9÷5+z2=-5/9 | | 7s-30=45 | | -5t-7/6=-7 | | (1+5*x)/(x+1)=4.9 | | x+18/5+8=3. | | 12x3+14×2+6=0 | | 2x+4=-4x–8 | | x-5/4+3=6. | | 9x/4-5=43/4. | | -x/8+14=23. | | -8(g+2)+3=-42 |

Equations solver categories