15=-3(k+-7)

Simple and best practice solution for 15=-3(k+-7) 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 15=-3(k+-7) equation: 



15=-3(k+-7)

We move all terms to the left:

15-(-3(k+-7))=0

We add all the numbers together, and all the variables

-(-3(k-7))+15=0



We calculate terms in parentheses: -(-3(k-7)), so:

-3(k-7)

We multiply parentheses

-3k+21

Back to the equation:

-(-3k+21)



We get rid of parentheses

3k-21+15=0

We add all the numbers together, and all the variables

3k-6=0

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

3k=6

k=6/3

k=2

See similar equations:

| 5x+14+4x+7=9x-7 | | 2(3x-4)+5=6x+7 | | F+4÷g=6 | | -82=n/52 | | 15=-3(k+-70 | | 7r-4r+4=8r+4-r | | -3x-6=6x+7 | | 5x=14=4x=7+9x=7 | | X-30+2x-120+0.5x+15=180 | | 5x=14=4x=7+9x-7 | | -2x+10(x+6)=-12 | | -15=4(b-16)-19 | | 8/3m-2/5=1/5m-4 | | x-3=5.50 | | X+19=x+8 | | x/(11-4x)=5/16 | | 52+r=-15 | | -22=-7u+3u+9 | | 4-2k=-2 | | 3.0x10^-8x4.0x10^9=1.2x10^ | | x-73=-106 | | 7q-5q-q-1=12 | | 5x-8(x-4)=11 | | 6r-4r+8=9r+8-r | | 2-n^2+14-(7n^2+13+n^2)=0 | | 1/6-2/5m=1/6m-2 | | 4t-19=-17 | | m-1.50=-1.25 | | 2x^2+5x^2=120 | | (x+5)+(3x-7)=90 | | 6x3=18+ | | 3(v-5)-4=2 |

Equations solver categories