15=2a+9

Simple and best practice solution for 15=2a+9 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 15=2a+9 equation:


Simplifying
15 = 2a + 9

Reorder the terms:
15 = 9 + 2a

Solving
15 = 9 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
15 + -2a = 9 + 2a + -2a

Combine like terms: 2a + -2a = 0
15 + -2a = 9 + 0
15 + -2a = 9

Add '-15' to each side of the equation.
15 + -15 + -2a = 9 + -15

Combine like terms: 15 + -15 = 0
0 + -2a = 9 + -15
-2a = 9 + -15

Combine like terms: 9 + -15 = -6
-2a = -6

Divide each side by '-2'.
a = 3

Simplifying
a = 3

See similar equations:

| 3(2*-4)+6=24 | | 4(3b-5)=4b+12 | | 3x=8x+20 | | 8x+7=3(4x-3) | | 3m^2+10m+8=0 | | -8u+5(u-2)=20 | | 13x+5-4y=10x-7+19y | | 0.625x+0.25=0.825x | | 3x+1+4x-1+5x-7=180 | | 72.8=7(m+2.6) | | y=7ln(-2x^3+2) | | 0.9x-0.9(3-x)=3.6 | | 6x+6=4x-8 | | 4(x+3)+3x-5= | | 5-2(x+4)=-2-(-12) | | 4=x/3-5 | | 13=3p+1 | | Log^12x=15 | | 7m-28=21 | | x^2-5x+250=0 | | 15x^2-43x+8=0 | | 2(y-3)=3(y+4) | | 5=-4+y | | 7/n-3=4/n | | 6r-8= | | 1.67=x^2+x | | 16d-(4-5d)= | | 5x+5y=22.38 | | 5(7x+2)=-4x-43 | | 8a-9=3a+19 | | (x-(3-i))(x-(3+1))=0 | | 8k=6k-14 |

Equations solver categories