3x-8y+2z=21

Simple and best practice solution for 3x-8y+2z=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-8y+2z=21 equation:


Simplifying
3x + -8y + 2z = 21

Solving
3x + -8y + 2z = 21

Solving for variable 'x'.

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

Add '8y' to each side of the equation.
3x + -8y + 8y + 2z = 21 + 8y

Combine like terms: -8y + 8y = 0
3x + 0 + 2z = 21 + 8y
3x + 2z = 21 + 8y

Add '-2z' to each side of the equation.
3x + 2z + -2z = 21 + 8y + -2z

Combine like terms: 2z + -2z = 0
3x + 0 = 21 + 8y + -2z
3x = 21 + 8y + -2z

Divide each side by '3'.
x = 7 + 2.666666667y + -0.6666666667z

Simplifying
x = 7 + 2.666666667y + -0.6666666667z

See similar equations:

| -8-x=5x+22 | | -15-7n=-n-6n | | 7y-8=6y+2 | | -16=6+2n | | 6x-2y+2z=18 | | =A+10+a-3 | | (3x-6)(x-12)= | | 7x+36=19564367006x | | 4x^2-8+5=0 | | 8y=640-2y^2 | | x^8*x^6= | | 5=10-29 | | -4(x-3)=32-8x | | (n-6)*8=32 | | 1-7n+7= | | 6s=3s-9 | | log(4x+9)=1+log(x-3) | | 2(y+5)-4=6(y-2)+2 | | 28=-12x-8 | | -4x(4x+1)= | | x^2+8x+9=6 | | m+m+1=39+m | | -14+7n=-22+6n | | 4x-6y=-48 | | y^2-2y-13=3 | | x+10y=260 | | 3y-5=16+5 | | X-15=2x-60 | | 7x+71=3x+35 | | -16t^2+32t+48=h(t) | | 0.1t+0.11(100-t)=10.5 | | r^2ln(r^4+1)+ln(s^2+1)=0 |

Equations solver categories