7a-28=

Simple and best practice solution for 7a-28= 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 7a-28= equation:


Simplifying
7a + -28 = 0

Reorder the terms:
-28 + 7a = 0

Solving
-28 + 7a = 0

Solving for variable 'a'.

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

Add '28' to each side of the equation.
-28 + 28 + 7a = 0 + 28

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

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

Divide each side by '7'.
a = 4

Simplifying
a = 4

See similar equations:

| 3.37x+16=11.3569+4x | | 2x+3=188 | | 8v^2(6u+5v)= | | 7/3i | | 3x-2x+7x=2x-8 | | 6x^2-80x+256=0 | | 1.3s+14=26 | | 6/9i | | 24y+3x=67 | | -15x+3(x-4)+9x=3x-54 | | 5x-3+8x=4x-9 | | 4x-3+2x=7x-5 | | 15j+25= | | x^2+xy+3=0 | | Tanx=2-x^3 | | 2-4(lnx/x^2) | | x(x+4)(x-8)= | | 1.5x-5=35 | | (5y-1)/6=x | | -3/4=3x/5 | | x^2+36=x^2+81 | | 4x-x^2-15=0 | | 7x+7.714285=8.714285 | | 12(x-1)=8(x+2) | | y=6x+1b | | 3x-13-5x=5-4x | | (5y-1)/6 | | 9=3-55+11 | | 5x^2-13x+134=0 | | y=6x-b | | 10y=8.57142857 | | (b-3)(2b+5)= |

Equations solver categories