4x+5y=21

Simple and best practice solution for 4x+5y=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 4x+5y=21 equation: 


Simplifying
4x + 5y = 21

Solving
4x + 5y = 21

Solving for variable 'x'.

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

Add '-5y' to each side of the equation.
4x + 5y + -5y = 21 + -5y

Combine like terms: 5y + -5y = 0
4x + 0 = 21 + -5y
4x = 21 + -5y

Divide each side by '4'.
x = 5.25 + -1.25y

Simplifying
x = 5.25 + -1.25y

See similar equations:

| x^2+9-36=0 | | 2x+5=37-2 | | 9x-6=9(x-8) | | x(1-x)=3x | | 6x-4=27x+10 | | .8(200-y)= | | 3x-4y+3z-3x-y+2z= | | 6(5x-1)-6(3x)=6(4x+3) | | 4(5+c)=3(c-3) | | 18(5x-1)-18(3x)=18(4x+3) | | 7x-14x=7x | | 38=x+15 | | 7-10x=55-38x | | 9(5x-1)-9(3x)=9(4x+3) | | -3x+6=0 | | 9x-154=3x-10 | | -3(5s-2)-6=-3(9s+1)-5 | | 9=x-7+3x | | 4x=2x-2 | | 12(t-3)+3t=5(3t+2)-8 | | -34=v+42-5 | | 13-7x=22-14x | | x(x+10)=(x+8)x-3 | | -120=-7x-3(6x-10) | | (3x)6= | | 2x(x)+4=10 | | 8c+192=432 | | (x+3)(x-1)=x(x-6) | | 233=97+8x | | x^3-4x^2-4x=0 | | 5x-5=13x-83 | | 8x+42= |

Equations solver categories