4x+7y=21

Simple and best practice solution for 4x+7y=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+7y=21 equation: 


Simplifying
4x + 7y = 21

Solving
4x + 7y = 21

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
4x + 7y + -7y = 21 + -7y

Combine like terms: 7y + -7y = 0
4x + 0 = 21 + -7y
4x = 21 + -7y

Divide each side by '4'.
x = 5.25 + -1.75y

Simplifying
x = 5.25 + -1.75y

See similar equations:

| 25x+8-28x=4-8 | | -6t=96 | | 80x^2-36x-80=0 | | -5p+10=75 | | 2x-8+x-50+13x+30=180 | | -8(-8+3v)=-29+7v | | 7x+4=36x+19 | | 3(x-5)=5(x-3) | | x-61=73.5 | | 7k+42=21 | | j-55=3 | | x^2+91x=0 | | 4+x=-5 | | 2q+3q+6q-6= | | 6d+8=50 | | v+6=50 | | r/6=7 | | -8-7(-p-7)=-23-p | | g+14=70 | | n-9=-16 | | 3x^3+375=0 | | 7(x-1)=5(x+1) | | 13x-126=6x-7 | | 28=u-13 | | s+85=4 | | 17+7x=-8(5x-8) | | (3x-5)(5x+1)=0 | | -5(7+m)+m=-(8m+2)-2 | | 32-17=5(x-2) | | x+1/2+3/4=2 | | 177-5x=40x+17 | | -55=-10+5x |

Equations solver categories