-7x-7y=-21

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


Simplifying
-7x + -7y = -21

Solving
-7x + -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.
-7x + -7y + 7y = -21 + 7y

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

Divide each side by '-7'.
x = 3 + -1y

Simplifying
x = 3 + -1y

See similar equations:

| 3(m+2)-8=-5 | | 9r-22=26+r | | 2(n-7)+5=9 | | 9x-19=5x+11 | | 2x-10=-1+5x | | 11-g=-2 | | -9(-1+103x)+3x=-7(2n-12) | | 3x-16=2x+2 | | y=13x+1 | | 2(h-4)=4 | | 7+3x=1+x | | 3(s-7)=3 | | y=22500+1000000 | | 10x+6=x+4 | | 42-4x=7-9x | | x-1=-3x-5 | | 300=2w+2(w+90) | | 3b^2+8=-28 | | 4(a+6)=40.8 | | 3(-9r-11)=-12(-11+5r) | | 3x+2(-3x)=6 | | 11x-17=10x+3 | | 4e-2=29.2 | | 380=2w+2(5w+10) | | 15x-13=8x+15 | | -8-8=8(5-2a) | | 6x^2-13xy+6y^2-3=0 | | 9x-22=-4 | | 6x^2-13xy+6y^2=3 | | -9+5(Y+3)-2Y= | | 9p=84.6 | | 3w-1=4w |

Equations solver categories