21+25a=28+18a

Simple and best practice solution for 21+25a=28+18a 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 21+25a=28+18a equation:


Simplifying
21 + 25a = 28 + 18a

Solving
21 + 25a = 28 + 18a

Solving for variable 'a'.

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

Add '-18a' to each side of the equation.
21 + 25a + -18a = 28 + 18a + -18a

Combine like terms: 25a + -18a = 7a
21 + 7a = 28 + 18a + -18a

Combine like terms: 18a + -18a = 0
21 + 7a = 28 + 0
21 + 7a = 28

Add '-21' to each side of the equation.
21 + -21 + 7a = 28 + -21

Combine like terms: 21 + -21 = 0
0 + 7a = 28 + -21
7a = 28 + -21

Combine like terms: 28 + -21 = 7
7a = 7

Divide each side by '7'.
a = 1

Simplifying
a = 1

See similar equations:

| 4y^2+20y+70=0 | | 5+20y=15 | | x^7-16x^5=0 | | 14t-12t=11 | | 9-6c^2+c^4=0 | | 60=5x+3x+4 | | 3x-5(x-2)=6+4x-14 | | 4(4m+2)-8=30+m | | 12x+2+7+7x=180 | | 3+42x=21x+27 | | 2.9x-19.08=4.7 | | x^3-8x^2-33x=0 | | c^2+34c+64=0 | | 3x-2(4x-7)=10-12x+10 | | 3x+80=6x+20 | | 2v+6-2(-3v-4)=2(v+1) | | 3x+80=6x+2 | | 198=-6(5c+2) | | 4x-18+x-9=63 | | 11t+15t=30 | | 2x-3=13-5x | | 24x^2+42x-12=0 | | 5a-6=14+a | | 3y+2+y= | | 19x+4+20x=180 | | -12x+16=72 | | d(38)= | | g(x)=f(x-3)+1 | | 2r=5x+14 | | a^2+17a+60=0 | | 5x-4+1=-5+5x | | 36=-8y+6(y+8) |

Equations solver categories