-7+9-21=X

Simple and best practice solution for -7+9-21=X 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 -7+9-21=X equation:


Simplifying
-7 + 9 + -21 = X

Combine like terms: -7 + 9 = 2
2 + -21 = X

Combine like terms: 2 + -21 = -19
-19 = X

Solving
-19 = X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
-19 + -1X = X + -1X

Combine like terms: X + -1X = 0
-19 + -1X = 0

Add '19' to each side of the equation.
-19 + 19 + -1X = 0 + 19

Combine like terms: -19 + 19 = 0
0 + -1X = 0 + 19
-1X = 0 + 19

Combine like terms: 0 + 19 = 19
-1X = 19

Divide each side by '-1'.
X = -19

Simplifying
X = -19

See similar equations:

| -15x-39=10-8x | | 8n+4=-4n-8 | | 1.333333333y+1=2y | | 2Z+8Z+5Z-8Z= | | 15*60= | | -n+17=-8n-12 | | 3/4x-2/3x=2 | | 5/7x49 | | (2^a)(3^b)=3/4 | | 13x=-20-4x | | 8(N)-15=41 | | -33-(-3)=x/8 | | 6(x+1)=7x-9 | | 0.5a=7.5 | | 7x-21=3x+3 | | 22-12=5(x-4) | | y=-4(x+5)(2x-3) | | W/10=21 | | 2/3x-3/4x=2 | | 9x+42=4x-3 | | 1/4*60/1 | | -3.2x=36.48 | | -0.7x=63 | | 2(4c-1)-8=6c+2 | | 1.3x+3=19 | | 29-17=2(x-1) | | 2(4c-1)-3=5c+4 | | -x=0.47 | | (48/100)-(1/3) | | (d-3)(d-1)=0 | | -5.3=b-3.9 | | 41+5y-2=15y-10-3y |

Equations solver categories