3a+7b=31

Simple and best practice solution for 3a+7b=31 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 3a+7b=31 equation: 


Simplifying
3a + 7b = 31

Solving
3a + 7b = 31

Solving for variable 'a'.

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

Add '-7b' to each side of the equation.
3a + 7b + -7b = 31 + -7b

Combine like terms: 7b + -7b = 0
3a + 0 = 31 + -7b
3a = 31 + -7b

Divide each side by '3'.
a = 10.33333333 + -2.333333333b

Simplifying
a = 10.33333333 + -2.333333333b

See similar equations:

| -(7*3/1-4) | | -(7x/1-x) | | zx+5=17 | | x^2-4xy-y^2=4 | | 4x+9=2x+45 | | 6(8e+4)=-24 | | 9=13n-7-5n | | 3m-2+=13 | | 4m+11=m+17 | | (2x+4)(3x-7)= | | 2(6+2a)=0 | | 15y-7-3y=53 | | t(t+5)=176 | | 2m-3=-6 | | 3(2x+5)=2(4x-8) | | 8t+4=20 | | 2x^2-7x-32=0 | | s(s-3)=88 | | 5x+x+60=360 | | 6cos^2x+5sinx-7=0 | | 5x+5x+60=360 | | -9p+5=-10+4p | | -9p+5=10+4p | | x+x=10x | | xy*dx+2(x^2+2y^2)*dy=0 | | x+x=5x | | sin50=x/18 | | X^3+x^2+x=30 | | 180x+210y=8310 | | x=5*lnx | | ln(x)+ln(x+10)=9 | | Lnx+ln(x+10)=9 |

Equations solver categories