-7x-21y=28

Simple and best practice solution for -7x-21y=28 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-21y=28 equation:


Simplifying
-7x + -21y = 28

Solving
-7x + -21y = 28

Solving for variable 'x'.

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

Add '21y' to each side of the equation.
-7x + -21y + 21y = 28 + 21y

Combine like terms: -21y + 21y = 0
-7x + 0 = 28 + 21y
-7x = 28 + 21y

Divide each side by '-7'.
x = -4 + -3y

Simplifying
x = -4 + -3y

See similar equations:

| -2(3x-4)=4(3+2x) | | 3x+7-4x=5x-1 | | 2x+3(6x-9)=173 | | 5*2+2X=15 | | 2x+3(6x-9)=193 | | x-18+21=-56(x-12) | | 3x-16=40-x | | -5(-5x+17)=215 | | x+3x+5=16 | | 18.28+1.3+1.12-0.3= | | 3+2r-1=8r+2-5r | | 4x+5(5x-16)=94 | | 4x+3x+3-2x+12=10x-45 | | (p+7)+(7-n)= | | 6ab^2*6ab^2=36a^2b^4 | | x^3-x^2-23x+16=0 | | 6x+2(4x+14)=140 | | 2p+3q=5 | | 6ab^2*6ab^2= | | -330=10(6x-3) | | 0=-5x^2+10x-4 | | 5v-3v=4 | | 16z-72=4z | | 3(-4x+1)=-33 | | 118=159-x | | ab-2=bc-9 | | 36x^2-5x-1=0 | | 6y+12=9y | | 5-3x=5x+11 | | 90=-y+176 | | -124+3x=40-x | | 3x^2-20=11x |

Equations solver categories