21-7x=-63

Simple and best practice solution for 21-7x=-63 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 21-7x=-63 equation: 


Simplifying
21 + -7x = -63

Solving
21 + -7x = -63

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -7x = -63 + -21

Combine like terms: 21 + -21 = 0
0 + -7x = -63 + -21
-7x = -63 + -21

Combine like terms: -63 + -21 = -84
-7x = -84

Divide each side by '-7'.
x = 12

Simplifying
x = 12

See similar equations:

| -4(-4-5x)=-28-8x | | -2x+1/2=5/2 | | 13.7x-6.5=2.3x+9.3 | | -8+1=81+2 | | -3/4x-5/8+2/3x | | y=3.4*1,(-2.3,1.2) | | -6y+8=-25 | | 3x+4y+2z=3 | | -2x+1/2=9/2 | | -7(4.5b+6.5)=16.5 | | 2(x-8)+4=6(x-2)-4 | | x/4-17=-3 | | [2x]=x^2+2x-5 | | 6+8(x-7)=7-9(x-3) | | -4(6x+11)=6(-4x-13) | | -2x+1/2=13/2 | | 19+4n=-3(1+6n) | | 1/3y=22 | | 180=2x+x+x+8 | | 1/5x=1/20 | | -2x+1/2=61/2 | | 3x+2-1=5x-2x+1 | | 8n+1=4(2n-1) | | 6-2x-1=8-2x-3 | | -3(y+5)=-30+2y | | 10(4+4x)=12x+12 | | 5+2d+1=6(.33d+1) | | 90-(2x-4)=90 | | -(4-2b)= | | x+(2x-2)+(x+2)=24 | | 9-6/3 | | -20+4c=6c+6 |

Equations solver categories