-5x-2x=21

Simple and best practice solution for -5x-2x=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 -5x-2x=21 equation: 


Simplifying
-5x + -2x = 21

Combine like terms: -5x + -2x = -7x
-7x = 21

Solving
-7x = 21

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '-7'.
x = -3

Simplifying
x = -3

See similar equations:

| x+6=6x-9 | | 14=3+s | | 3f+9=18 | | 20x+10y=70y | | c+5=-9 | | 5-2x=x-7 | | 10-2s=6 | | 10-2s=7 | | 2m+6=10 | | 4x+17=x-4 | | 2=10-2w | | 4(x^2+5x-2)=0 | | 3x-x=x+10-x | | -5x+2x=15 | | 3(x+7)-2(3-x)=35 | | 4(x^2+5-2)=0 | | 3x(x-6)= | | .*=3 | | 20=3p+2 | | y+1.2*y+1.2*z= | | 5m-2=-1 | | 9x-19=-3x+15 | | 170-5x=31x+22 | | 12=2f-6 | | 0=(3x-4)/7 | | 2*(2x-10)=40 | | 2c+3=7 | | 15=7-7x | | 9b^3+6-3b-3-b= | | n(9+n)= | | 4(a-2)=2(a+7) | | 8-2h=2 |

Equations solver categories