7x+21=15

Simple and best practice solution for 7x+21=15 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 7x+21=15 equation:


7x+21=15

We simplify the equation to the form, which is simple to understand
7x+21=15

We move all terms containing x to the left and all other terms to the right.
+7x=+15-21

We simplify left and right side of the equation.
+7x=-6

We divide both sides of the equation by 7 to get x.
x=-0.857142857143

See similar equations:

| -2u-9=2u-5 | | 1/2w+15=w-11 | | -5x-4/7=214/7 | | -6(m+8)=45 | | -2(5x-6)+(4x-9)=3(7x+1) | | -8x(x-4)= | | 7m=5m+12 | | 0.7(4+2a)=0.5(a-7) | | (2x+1)/(x-4)=0 | | 9y+15=5y-1 | | 3x/5=12/4 | | (y+x)=(y-x) | | 4x+2y=6fory | | 4(x+5)-6=4x+17 | | p=x^3-9x^2+23x-15 | | 7b+3a-4c+3b+4a= | | 10e= | | 3(-4-3x)=-66 | | X+y=28 | | 6.4=4y | | 5+4s=2s+6 | | -35=-5+5w | | 6x/7=12/7 | | 10+2x=-20 | | -4w-13=-2w-9 | | 1000e= | | 1/2(16)(18) | | xy+3y=2x+1 | | 3p-4=-31 | | x-3=-2/5 | | -5k+2k=45 | | 6x+5-3x+7=36 |

Equations solver categories