3a+15=-2(5+a)

Simple and best practice solution for 3a+15=-2(5+a) 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 3a+15=-2(5+a) equation: 



3a+15=-2(5+a)

We move all terms to the left:

3a+15-(-2(5+a))=0

We add all the numbers together, and all the variables

3a-(-2(a+5))+15=0



We calculate terms in parentheses: -(-2(a+5)), so:

-2(a+5)

We multiply parentheses

-2a-10

Back to the equation:

-(-2a-10)



We get rid of parentheses

3a+2a+10+15=0

We add all the numbers together, and all the variables

5a+25=0

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

5a=-25

a=-25/5

a=-5

See similar equations:

| 3x-2(5x-8)=9-5x-7 | | 125-x=75 | | 7-3x=22* | | u-85/8=1 | | r/4-3=2 | | 6n=7=2n+5 | | d/3+15=18 | | 3k-16=2 | | 3x+6=-17 | | 6x(x-3)-2x(x-1)=10 | | 6·(x-3)-2·(x-1)=10 | | (10-x)/4=-1* | | 4a+6=6a-16 | | 3(x+10)=10 | | 7y-6=23 | | -(2x+3)^3=84 | | (10-x)/4=-1 | | 5y-5=25, | | a4+6=14 | | 2n+4=5n-11 | | p/4-7=1 | | p/4-7=1* | | 90=4k-22 | | 90=4k-22* | | 9y-16=37 | | 210/h=70/12 | | 96=8x+32* | | 2x+30=x+4+5 | | 8y-9=36 | | 15/p=60/20 | | 5(n-5)=20+5(n-3)=10 | | s*7+41=160 |

Equations solver categories