a-21=.25a

Simple and best practice solution for a-21=.25a 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 a-21=.25a equation:


Simplifying
a + -21 = 0.25a

Reorder the terms:
-21 + a = 0.25a

Solving
-21 + a = 0.25a

Solving for variable 'a'.

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

Add '-0.25a' to each side of the equation.
-21 + a + -0.25a = 0.25a + -0.25a

Combine like terms: a + -0.25a = 0.75a
-21 + 0.75a = 0.25a + -0.25a

Combine like terms: 0.25a + -0.25a = 0.00
-21 + 0.75a = 0.00

Add '21' to each side of the equation.
-21 + 21 + 0.75a = 0.00 + 21

Combine like terms: -21 + 21 = 0
0 + 0.75a = 0.00 + 21
0.75a = 0.00 + 21

Combine like terms: 0.00 + 21 = 21
0.75a = 21

Divide each side by '0.75'.
a = 28

Simplifying
a = 28

See similar equations:

| 10-8k=26 | | 3[(4-8)+-6]-4= | | t+60=.75(t+60) | | 100+25x=50x | | f(y)=5y-9 | | -9-2x-3(-4x-1)= | | -3.46x=-5.78 | | 4x+2y=50 | | 6+3t=8t-24 | | 6(m+1)+7m=-33 | | -5-2n+n=-3 | | m^2-6m+5=0 | | 50=10+5a | | ln(x+2)+ln(x-2)=ln(2x-1) | | 4x-8=x+10 | | 10p(x+3)-(-9x-4)=x-5+3 | | 12+-g=14 | | -2(-18x-4)-13=-77 | | 6x-10+4=44 | | 4x-8=x-9 | | 8x+20y=80 | | 5(-8-7v)=-40 | | 5(w-2)-8w= | | 8p+3p=11 | | -50x-12x=-8x+38 | | 3(x-3)=11-x | | x+8+4x=-22 | | 13=7x-7 | | 4x+5=8x-6 | | X^2+22x+40=0 | | 11x-10=6x+25 | | 6r(2s-3)-(5s+12r)= |

Equations solver categories