-2a+5b=-21

Simple and best practice solution for -2a+5b=-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 -2a+5b=-21 equation: 


Simplifying
-2a + 5b = -21

Solving
-2a + 5b = -21

Solving for variable 'a'.

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

Add '-5b' to each side of the equation.
-2a + 5b + -5b = -21 + -5b

Combine like terms: 5b + -5b = 0
-2a + 0 = -21 + -5b
-2a = -21 + -5b

Divide each side by '-2'.
a = 10.5 + 2.5b

Simplifying
a = 10.5 + 2.5b

See similar equations:

| -3-4(1-2d)=22 | | 4-(5-8x)=3(2x-6) | | -3/14w=2/7 | | 5X+10Z=410 | | 13+3b=a | | 3cosx+3=2sen^2x | | 30=-5w | | X+9=-36 | | 3q+4=-8 | | 11b^2-47b-24=0 | | 2x+3x+5y= | | 172-x/2=60 | | 10w-10=9w-6 | | 8p-84=p+21 | | 3x-7x=11 | | 8p-64=p+21 | | 13(5c-9)=7c-3 | | (2x+3x)+5x= | | 3p-62=p | | -2a+6+6a=9a-3a | | a=4a-54 | | 10X10X10=3Xn/700 | | a-3b=-13 | | 11b^2-52b-24=0 | | a-25=16 | | 3p(5p+2)(p-6)=0 | | (4v^6)*(6/v^5)=? | | 1/4x-1/5y | | 1/4x-1/5y= | | -55x=110x | | (3/w^8)*w== | | (3/w^8)*w |

Equations solver categories