-3(a-7)=5(a+2)-7a

Simple and best practice solution for -3(a-7)=5(a+2)-7a 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 -3(a-7)=5(a+2)-7a equation: 



-3(a-7)=5(a+2)-7a

We move all terms to the left:

-3(a-7)-(5(a+2)-7a)=0

We multiply parentheses

-3a-(5(a+2)-7a)+21=0



We calculate terms in parentheses: -(5(a+2)-7a), so:

5(a+2)-7a

We add all the numbers together, and all the variables

-7a+5(a+2)

We multiply parentheses

-7a+5a+10

We add all the numbers together, and all the variables

-2a+10

Back to the equation:

-(-2a+10)



We get rid of parentheses

-3a+2a-10+21=0

We add all the numbers together, and all the variables

-1a+11=0

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

-a=-11

a=-11/-1

a=+11

See similar equations:

| -3n=12-9n=2 | | -4(x+4)=3(x+4+7 | | 5n+22=4n+23 | | 19.5=7x-12 | | 7n+6=3n+34 | | 4(9x+4)=36x-7 | | -11b+7=400 | | 5x+34=−2(1−7x | | 8x+5x=24+28 | | 12+9x=-7 | | 5c-9=c+11 | | x-(10)=2 | | 6v+6(3v+4)=4(2v+2) | | -7-8n=-2n-5n | | 6k+3=5k−7 | | 3=3(n-11)-15 | | 6/k+3=5/k−7 | | 6(n+5)=3(n+16) | | 2/7x+18=8-(3/7x) | | 25=50+10x | | 9=8r-3 | | 9x+2(4-2)=49 | | x-5(x-1)=19 | | x^2+4x-10=|x+1|+3 | | 4g+(6+2g)3=4g+(6+2g)⋅3 | | 6x-5+13x-19=180 | | -6(3-x)=3(2x-2) | | 8x–4=6x+8 | | -17+11=-2(x+6) | | -4(-c-16)=-4X16 | | 4(u-12)+6=18 | | 20+8(x-11)+9=19 |

Equations solver categories