15=3y+21x

Simple and best practice solution for 15=3y+21x 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 15=3y+21x equation:


Simplifying
15 = 3y + 21x

Reorder the terms:
15 = 21x + 3y

Solving
15 = 21x + 3y

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
15 + -21x = 21x + -21x + 3y

Combine like terms: 21x + -21x = 0
15 + -21x = 0 + 3y
15 + -21x = 3y

Add '-15' to each side of the equation.
15 + -15 + -21x = -15 + 3y

Combine like terms: 15 + -15 = 0
0 + -21x = -15 + 3y
-21x = -15 + 3y

Divide each side by '-21'.
x = 0.7142857143 + -0.1428571429y

Simplifying
x = 0.7142857143 + -0.1428571429y

See similar equations:

| 9x+7=52 | | 2y-8x=20 | | x^2+13x+38=8 | | 2x^2-9x-56=-3x | | 3x^2+10x=8 | | y=3(x+5)(x-2) | | y-3x=19 | | 3(x+2)=-2(x-1) | | 30x^2-18xy+5x-3y= | | b^2+16=-9b | | 23+6X=29 | | (2x+3)=2(x+3)+x | | X^2-2x=15 | | .3x=6.3 | | 11-10x=89-31x | | 2(3p-11)=-16 | | -61-9x=8x+24 | | 3x+5=-35-7x | | 10X-6=34 | | 7-3d=28 | | 4x+7=79-5x | | 2+4x=32+x | | 5x+26=14x-64 | | 0.40a-1.20=.80 | | -4j^2+1=-5j-5j^2 | | A*B=0 | | -1=0.75x+9 | | 2(1-0.2*2)=1.20 | | 12x-23=85 | | 5y-8=9y+6 | | x(1-ax)=n | | 3(9-2)-3*-3= |

Equations solver categories