7+2a-9b=23

Simple and best practice solution for 7+2a-9b=23 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 7+2a-9b=23 equation:


Simplifying
7 + 2a + -9b = 23

Solving
7 + 2a + -9b = 23

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + 2a + -7 + -9b = 23 + -7

Reorder the terms:
7 + -7 + 2a + -9b = 23 + -7

Combine like terms: 7 + -7 = 0
0 + 2a + -9b = 23 + -7
2a + -9b = 23 + -7

Combine like terms: 23 + -7 = 16
2a + -9b = 16

Add '9b' to each side of the equation.
2a + -9b + 9b = 16 + 9b

Combine like terms: -9b + 9b = 0
2a + 0 = 16 + 9b
2a = 16 + 9b

Divide each side by '2'.
a = 8 + 4.5b

Simplifying
a = 8 + 4.5b

See similar equations:

| 33+(.66-k)9=0 | | 7x+9y-4z=1 | | x^2-x+10=28 | | (-10)=r-8 | | 4x+12=276 | | 3(x+2)-1=3x+5 | | 7x^2-5x+7=14x+13 | | 7 = q3+ 3 | | 5+2a+3b=17 | | 12=6logx | | 16a^2=13 | | 12=-9 | | N^2-3=15 | | 4x^4+2x= | | v^2+6v-11=0 | | 2y+3=3y-6 | | 6x^2+15=-23x | | -3m+7=1 | | 6x^2+15=-23 | | 5n+n=24 | | K^2+2=6 | | 3x+20=6x-10 | | log(2x-1)+log(5x+2)=0 | | 36n^2=5 | | 2x^2+14x+25=x^2+4 | | 2r/9-4/9=2/9 | | -x+3x+12=25-x | | (3n-5)(n-4)=0 | | 25k^2=11 | | 2(5+6x)-6=100 | | 2.5=x^2+2x | | 8(2x-4)-7x=-86 |

Equations solver categories