x+7y=-21

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


Simplifying
x + 7y = -21

Solving
x + 7y = -21

Solving for variable 'x'.

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

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

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

Simplifying
x = -21 + -7y

See similar equations:

| -7x+24=10x-27 | | 9Y-6=7N-9Y | | 9m-0.8=7m | | -8x^2+216+48x=0 | | 9Y-6=7+8 | | 3(2x+1)-2(x+1)=5-2(x-4) | | 3ya-5.2=10.8-5y | | 8x-7=7x | | s^2-3s-18=0 | | -6(x+2)=18 | | 55(2+n)=3n+18 | | 3(r-1)-4r+5= | | 60*17=x | | X+Y=5-x | | h^2-23h+60=0 | | 6x^4+8x^2=26x^3 | | 4a^2-12a+8=0 | | 2(x-6)=33 | | x+3/8=7/8 | | 3.99*3+v=5v-11 | | k^4-36= | | -2(x+y)=2+5x | | 25w^2-100wz+100z^2=0 | | 3h^2=-12h | | 10x+7=-3x-12 | | 9x^4+12x^3+4x^2=0 | | [2x-5]=7 | | 4x-3=x-9 | | 5x+5=2x-7 | | H+32=39 | | x+17=5x+1 | | 8g-3g=25 |

Equations solver categories