a-15+2a=45

Simple and best practice solution for a-15+2a=45 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 a-15+2a=45 equation:


Simplifying
a + -15 + 2a = 45

Reorder the terms:
-15 + a + 2a = 45

Combine like terms: a + 2a = 3a
-15 + 3a = 45

Solving
-15 + 3a = 45

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + 3a = 45 + 15

Combine like terms: -15 + 15 = 0
0 + 3a = 45 + 15
3a = 45 + 15

Combine like terms: 45 + 15 = 60
3a = 60

Divide each side by '3'.
a = 20

Simplifying
a = 20

See similar equations:

| -3x+1=16 | | x^6-x-0.2=0 | | 4y-8=36 | | 3-10b=26-9 | | 6x-7=x-27 | | 3(x-2)=4(3-x) | | 7x^2+10x+27=0 | | 3x^3+7x^2+10x+27=0 | | 8x+11=3x+21 | | 2(x-1)=3x+4 | | 2x-5y=-5 | | 3x^2-15x-23=0 | | x^4-6x^3-7x^2+36x+36=0 | | n=(2n-3)/5 | | px^2+2(p+2)x+p+7=0 | | mx^2-3mx+3=0 | | y=(2a-6)a+3 | | 55+60*2-34+88*0+55-62+-65*0+2= | | 9(x+2)=3(x+22) | | 3(x-6)=54-5x | | 2x-3=78-7x | | 14-10x=62-24x | | 14-10x=62-24 | | 38X^2+3X-45= | | 3x^2-41x+26=0 | | -23-4x=10x+22 | | 1+12x=16x-55 | | -3-5x+20+2x=5 | | 10x+5y=13 | | 6x+7=4x+12 | | 3t+4=t+14 | | 4x-6=-2 |

Equations solver categories