-7x+3y=21

Simple and best practice solution for -7x+3y=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 -7x+3y=21 equation: 


Simplifying
-7x + 3y = 21

Solving
-7x + 3y = 21

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.
-7x + 3y + -3y = 21 + -3y

Combine like terms: 3y + -3y = 0
-7x + 0 = 21 + -3y
-7x = 21 + -3y

Divide each side by '-7'.
x = -3 + 0.4285714286y

Simplifying
x = -3 + 0.4285714286y

See similar equations:

| 3x(x+2)-(3x^2+5x)x=19 | | -10s-3s+7s=-4+5 | | 3x(x+2)-(3x^2+5x)=19 | | 3x(x+2)-(3x^2+5x)= | | rt+rk= | | 0.5x+0.2(18-x)=5.4 | | mp+3mp= | | -3(y-1)+30=3(y+3) | | (6p-3q)-(-6p)= | | 5(X+5)=-20(X+2) | | 4y-7x=28 | | 65=15X | | X-3-5=2 | | 10+r-10= | | -5-4(8y-6)=(-6y-6)+7 | | x+y-(3t+y)= | | 6x+5y=31 | | 5(f-h)-4f= | | 5-3(x-2)=-6x+3 | | 7(2y-1)-6y=-1 | | -2d+5d= | | 96=8(x+8) | | 8y+4=y+25 | | 2=10(x-2) | | 6f+4f= | | -4(X+2)+2X+7=7X+12 | | 8v-18=6(v-5) | | (3x-5y)-(2x-3y-z)+(y-z)= | | -4X-8+2X+7=7X+12 | | 4(x-2)=9x-(5x-8) | | -4X+12X=13+7X | | 4x^2+21x=5 |

Equations solver categories