-3x-4y=-21

Simple and best practice solution for -3x-4y=-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 -3x-4y=-21 equation: 


Simplifying
-3x + -4y = -21

Solving
-3x + -4y = -21

Solving for variable 'x'.

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

Add '4y' to each side of the equation.
-3x + -4y + 4y = -21 + 4y

Combine like terms: -4y + 4y = 0
-3x + 0 = -21 + 4y
-3x = -21 + 4y

Divide each side by '-3'.
x = 7 + -1.333333333y

Simplifying
x = 7 + -1.333333333y

See similar equations:

| 25x^3-75x^2-x-3=0 | | X=2x^2+3x-135 | | 2(5x-3)-10=4 | | 12*4+x=109 | | 6-1.5x=3 | | 204=-y+38 | | F(x)=2x^2+3x-135 | | 51/15 | | R=17cm | | 14/j=2.4/15 | | -9a=-7a | | 3(-23x)=-9x-4 | | 4x^3+12x^2-36x+1=0 | | 5c+8=6c+7 | | r/10=14/8 | | 2(16-3)=x | | -4(z-7)=3-3z | | 36x-12y= | | 12n/2 | | 45/85=9/n | | D=weft | | (2x+21)+x=90 | | 55=-x+280 | | 3(x+2x)=4 | | 2x+(x+(2x-3))=5x-(3x+2) | | 3÷15/9 | | 5x+12=3x+52 | | 6y+8ut+17-4y-10= | | -2.8-5y-3.5-y=-5y-1.4 | | -1(x-8)=10 | | 11x+3=11(x+3) | | 9x+11y=50 |

Equations solver categories