5u-21=-2(u+7)

Simple and best practice solution for 5u-21=-2(u+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 5u-21=-2(u+7) equation: 



5u-21=-2(u+7)

We move all terms to the left:

5u-21-(-2(u+7))=0



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

-2(u+7)

We multiply parentheses

-2u-14

Back to the equation:

-(-2u-14)



We get rid of parentheses

5u+2u+14-21=0

We add all the numbers together, and all the variables

7u-7=0

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

7u=7

u=7/7

u=1

See similar equations:

| -35=-9k+14k | | 5*x+7=2*x-2 | | 5*4=x | | 3(x-10)^=48 | | 5x+3=−4x−15 | | 1.5x-0.2=12 | | 9(2x+1)=3(6x+6) | | 5w+8=-3w | | |2x+4|+2=2 | | -2(x+1)=-2(x+1)=-2x+5 | | x=4+11/14 | | 9.87=1.2(u+4)+1.47 | | 80-x8x=-1 | | -4(6+2x)=-80 | | 2x=10π | | 10d-(-4d)=14 | | -7z=-8z-4 | | -12x^2-16x-5=0 | | 5=12(1.05)^x | | –7h=–6h+6 | | 1/2(x-7)=2 | | -2(-4x-1)-x+3=-3 | | -4x-6=2x-6 | | (h+3)/5=21 | | -3x+16=-20 | | b-35=70 | | -7-3x=53 | | 10-9u=-8u | | 12x^2-16x-5=0 | | 3(v+3)=-8v-13 | | 6=-5+y/7 | | 6d-(-4d)=14 |

Equations solver categories