-7x=21

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


Simplifying
-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:

| 5x^8+10x^7-15x^6+10x^5= | | 6(x-4)=4(16-4x) | | 9+9x=72 | | 4x+19=147 | | 6=3(x+5) | | 0.7x-1.4y=0 | | x+4.5=6.2 | | (3x)-66=2x+1 | | -6(2x+1)+(13-7)=0 | | (X)+(-8)+(x-3)=151 | | 0=x^2+5x+6 | | -4+7x+4=3y | | 9x-(-9)=72 | | 2x+1=3x-66 | | 6y=-12x | | 9-6x=-111 | | h=672+16t+16t^2 | | 3x^2+6=-7x | | h=16t^2+16t+672 | | 4(k-6)-(3k+2)=-5 | | 120m=6300 | | -2x^2-x+1=0 | | 7x+12(100+x)=3898 | | 10(8+w)+11w+3(4+3w)= | | 4x^2+4x=15 | | -2x^2+2x-12=0 | | 3x+4=2x-9 | | 7x+12(x+100)=3.898 | | 0.1(5x+20)-5=3(x+10) | | 2(6w+5)+9(2w+2)= | | 2p^2+11p+15=0 | | 3x^2+1=-7x |

Equations solver categories