2a-b=9

Simple and best practice solution for 2a-b=9 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 2a-b=9 equation:


Simplifying
2a + -1b = 9

Solving
2a + -1b = 9

Solving for variable 'a'.

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

Add 'b' to each side of the equation.
2a + -1b + b = 9 + b

Combine like terms: -1b + b = 0
2a + 0 = 9 + b
2a = 9 + b

Divide each side by '2'.
a = 4.5 + 0.5b

Simplifying
a = 4.5 + 0.5b

See similar equations:

| x^4+6x^3+11x^2+6x=1680 | | 20k+7-2k+8=0 | | 6a+4+4a=34 | | 6r+5=29 | | 6-3h=30 | | f+2-1=5 | | Y=-1/3(-13)-8 | | 18x=12-3y | | x*.08=30000 | | x(x+0.3)=180 | | 7a+b=62 | | 7b-25=6b-7/5 | | 5x-15=4-2x-1 | | 8x+6=10-2 | | -88-8b-8= | | 2-1+7=4 | | 4a+3=a+24 | | -5z+7=-2 | | p=r-1t-1 | | -26x+3x=-39+14x | | 3x-5-2.5x=8+0.5 | | 7x-3x+16=3x+32 | | f(2a)=-2(2a)+3(2a) | | 2(2l+8)=20 | | 27x-6=9x-1 | | -7(x-5)=63 | | 5z-5+3x-12=-11 | | 5y-30=15 | | x*x-x=80 | | 3x/7-6=-6 | | 4x-3x+16=3x+32 | | 4(x-5)=7(x+11) |

Equations solver categories