21x+3y=-12

Simple and best practice solution for 21x+3y=-12 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 21x+3y=-12 equation: 


Simplifying
21x + 3y = -12

Solving
21x + 3y = -12

Solving for variable 'x'.

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

Add '-3y' to each side of the equation.
21x + 3y + -3y = -12 + -3y

Combine like terms: 3y + -3y = 0
21x + 0 = -12 + -3y
21x = -12 + -3y

Divide each side by '21'.
x = -0.5714285714 + -0.1428571429y

Simplifying
x = -0.5714285714 + -0.1428571429y

See similar equations:

| 66-3p=899 | | 9+12=4x+3 | | N-1.6+5.1n=-5.87 | | 6.6=4*x/100 | | (2x-9)(3x-8)=0 | | 7x/12=5x/7-11 | | x(67+25)=350+25x | | 2x-4y=10x+6y | | n-84=21 | | -6=-4+5(-2x-18) | | 12-4y=20 | | 10(3+3n)=9+9n | | -2-6(v+3)=-4(v-2) | | 64/8(3)=y | | 1^2*4/1*(10-8) | | 4x-10=-40+x | | -8/x=2 | | 12x^3+32x^2-12x= | | 4(-5x-7)=-20x+11 | | 8-3(p-5)=2p | | 7q5r-4/5q6r7 | | 64/8x3 | | 0.5d+4=2(d+2) | | 4x-10=-40x | | 2x+18=84 | | v=LWH(h) | | -5x+13=-6x+1 | | 1/2(10x+18)-4=-1/5(30x-30) | | t^2+15t+56=0 | | 7x^2+7x-392=0 | | 1000/v9+8=15 | | 34-18=10x-9 |

Equations solver categories