30+7a=28-4a

Simple and best practice solution for 30+7a=28-4a 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 30+7a=28-4a equation:


Simplifying
30 + 7a = 28 + -4a

Solving
30 + 7a = 28 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
30 + 7a + 4a = 28 + -4a + 4a

Combine like terms: 7a + 4a = 11a
30 + 11a = 28 + -4a + 4a

Combine like terms: -4a + 4a = 0
30 + 11a = 28 + 0
30 + 11a = 28

Add '-30' to each side of the equation.
30 + -30 + 11a = 28 + -30

Combine like terms: 30 + -30 = 0
0 + 11a = 28 + -30
11a = 28 + -30

Combine like terms: 28 + -30 = -2
11a = -2

Divide each side by '11'.
a = -0.1818181818

Simplifying
a = -0.1818181818

See similar equations:

| 0.129=14x+0.09(1-x) | | 3sin*4*x+1=0 | | 9x^2-23x-32=0 | | 3x+18=3x-18 | | 7x+21=7x+42 | | 10t-30=10t+7 | | 9x-9=9x-9 | | 415=-10x+4.9x^2 | | 8x-24=8x-24 | | 415=10x+4.9x^2 | | xy-2y=0 | | 6x+2=3x+7x | | -24x^2+10x+12=0 | | -.5x+3=-x+7 | | -13d+12=-169 | | b^4+5b^2-36=0 | | 4+3x=7x-3 | | 4v-5=6v+12 | | 4(x^2)-25x+39=0 | | -1.5x+1-x^2+7x=10 | | -5x+1-x^2+7x=10 | | -4x+1-x^2+7x=10 | | 2pir=200 | | 2x+1+-x^2+7x=10 | | -2x+1+-1x^2+7x=10 | | 9/16-1/4 | | 11-11/5 | | 6x-5=16-3x | | 6-4x=3-9x | | -30+20=-2x+7x | | y=10x+5gradient | | 4(x^2)-7x-2=0 |

Equations solver categories