87=7x+(-x+21)

Simple and best practice solution for 87=7x+(-x+21) 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 87=7x+(-x+21) equation: 



87=7x+(-x+21)

We move all terms to the left:

87-(7x+(-x+21))=0

We add all the numbers together, and all the variables

-(7x+(-1x+21))+87=0



We calculate terms in parentheses: -(7x+(-1x+21)), so:

7x+(-1x+21)

We get rid of parentheses

7x-1x+21

We add all the numbers together, and all the variables

6x+21

Back to the equation:

-(6x+21)



We get rid of parentheses

-6x-21+87=0

We add all the numbers together, and all the variables

-6x+66=0

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

-6x=-66

x=-66/-6

x=+11

See similar equations:

| 3x=26,404 | | 2x+(3-x)+8=2(x-3) | | 4.5w=24.9 | | 96+w=2(80-3w) | | 5x(3+2)=15+10 | | 7x;x=-5 | | 3y=8×-96 | | -6+2x/5=x/10+3x/2+2 | | 4(-7x+14)(x-1/4)=0 | | 4t^2-11t+6=0 | | a^2−10a+25=49 | | 2x-3003=7857 | | 13-47=4(x-3)-6 | | 2x-3009=7831 | | 6t+4t=60 | | 2m+m/7=-6 | | 8m/5-6m/3=4/10 | | 49n^2+10=91 | | 1x-2(-6/5)=4 | | -4(y-4)=-8y+4 | | -3x(4-10)=-12+30 | | 7^t=13 | | 4x^2+144+20=4 | | 5x=35;7 | | z/2.6=-7.8 | | -3=-6u+3(u+3) | | 2(x-6)^2+20=4 | | 6w=w+25 | | 3t+5+3t-5t=3+1 | | 7n/8=7 | | -2x+-3=-x+3 | | -2x^2+3x(2x-12)=0 |

Equations solver categories