-7x+y=-21

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


Simplifying
-7x + y = -21

Solving
-7x + y = -21

Solving for variable 'x'.

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

Add '-1y' to each side of the equation.
-7x + y + -1y = -21 + -1y

Combine like terms: y + -1y = 0
-7x + 0 = -21 + -1y
-7x = -21 + -1y

Divide each side by '-7'.
x = 3 + 0.1428571429y

Simplifying
x = 3 + 0.1428571429y

See similar equations:

| 6[x-8]+4=2[x-8]+6 | | 4a=25a^2 | | 7+5r=-43 | | 4x=3y-7+6 | | 6m+1=14 | | 2(x-4)-12=12(4x-1) | | 13-5y=-y+9 | | 4u=14u+18 | | 8x+16-7x=-5-12 | | 4x=3y-7+5 | | 2z+9.75+7z=-5.15 | | 16+r=16+r | | 3x-2[x-(3x+2)-5]+8=-4(3x-4) | | 5x^2+43=6x+6 | | 5x-(7.68)=-21.02 | | 15x^3+3x^2=0 | | -2+x=-2+-2x | | y/8=-4-y/12 | | 20+y=b | | -4z+4-2(3z-4)=32 | | 15u^2+u-2= | | 6x-3=7x+9 | | -17b=-85 | | 3(x-7)+2=-20 | | 3+5y=9y | | 3.6x+7.2=-1.7x-3.4 | | 6-(4x+2)=9 | | 2x-3009+3009=7871+3009 | | 21x+3=6x+8 | | 4(x+9)=84 | | 147-5r=22 | | 2a-(-3)(-3)=13 |

Equations solver categories