X+9y-21=0

Simple and best practice solution for X+9y-21=0 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+9y-21=0 equation:


Simplifying
X + 9y + -21 = 0

Reorder the terms:
-21 + X + 9y = 0

Solving
-21 + X + 9y = 0

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 + X + 21 + 9y = 0 + 21

Reorder the terms:
-21 + 21 + X + 9y = 0 + 21

Combine like terms: -21 + 21 = 0
0 + X + 9y = 0 + 21
X + 9y = 0 + 21

Combine like terms: 0 + 21 = 21
X + 9y = 21

Add '-9y' to each side of the equation.
X + 9y + -9y = 21 + -9y

Combine like terms: 9y + -9y = 0
X + 0 = 21 + -9y
X = 21 + -9y

Simplifying
X = 21 + -9y

See similar equations:

| -79-7x=7x+19 | | 2h-4(h-5)= | | 85-2x=4x+19 | | 52+3x=19-4x | | -2X-10=12 | | 3z^2-18z+75=0 | | 3(x-4)=5x+5 | | -7-5x=9-9x | | 1.7(g-0.5)-6.4(-g+2)= | | 4X+8(5-X)=100 | | -3m+4-5m+p= | | 2r+7=-24 | | 2(x+2x)=3(x+5) | | 2-x=18+3x | | y=x^2+36 | | 2(X+2)+3(X-6)=6 | | 7(x+2)-4x=35 | | 3(X-9)=81 | | 8-12m=17 | | y=-2(x+5)2-3 | | 12c-4c= | | x=.75x | | 16z+4z=80 | | (x-5)(x+3)=0 | | 3x^2-5x=308 | | 16p=208 | | 66-2x=25x+24 | | 4x^2-3x+5=0 | | 6x-11=10x-51 | | 12-8x=62-22x | | x-2y=-5 | | 15-(3-4y)=2(y+2) |

Equations solver categories