-x+21=15

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


Simplifying
-1x + 21 = 15

Reorder the terms:
21 + -1x = 15

Solving
21 + -1x = 15

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 + -1x = 15 + -21

Combine like terms: 21 + -21 = 0
0 + -1x = 15 + -21
-1x = 15 + -21

Combine like terms: 15 + -21 = -6
-1x = -6

Divide each side by '-1'.
x = 6

Simplifying
x = 6

See similar equations:

| -9x+28=-6x+49 | | 4(4x+3)=2(7x+6) | | 6x+12=-116-10x | | -12=2(x-1) | | 2+3(3n-1)=26 | | 8(4x-7)=16x | | 7x-4=x-28 | | 6x+15=x+30 | | 3(3+5x)-3=51 | | 106-4x=32+18 | | 6x-2=13x-23 | | -14-4x=10-8x | | 3x+6=4x+3 | | 6-8x=201-43x | | -x+15=21 | | y=nx+a | | 14+2x=x-9 | | 3x+1-4x=4-(x+3) | | 6x+14=-116-7x | | -4x+20=-x-4 | | -2x+1=-13 | | 101-2x=4x+11 | | 5n-2=n+10 | | 12x+5=6x-31 | | -x-8=-7 | | -2x+7=15 | | -8y+4x=160 | | 130-2x=16x+24 | | 43-7x=2x+20 | | .27+.10+3*P=P | | 12-10x=45-31x | | 3x-14=-11 |

Equations solver categories