5a-15=3(a+5)

Simple and best practice solution for 5a-15=3(a+5) 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 5a-15=3(a+5) equation:


Simplifying
5a + -15 = 3(a + 5)

Reorder the terms:
-15 + 5a = 3(a + 5)

Reorder the terms:
-15 + 5a = 3(5 + a)
-15 + 5a = (5 * 3 + a * 3)
-15 + 5a = (15 + 3a)

Solving
-15 + 5a = 15 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-15 + 5a + -3a = 15 + 3a + -3a

Combine like terms: 5a + -3a = 2a
-15 + 2a = 15 + 3a + -3a

Combine like terms: 3a + -3a = 0
-15 + 2a = 15 + 0
-15 + 2a = 15

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

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

Combine like terms: 15 + 15 = 30
2a = 30

Divide each side by '2'.
a = 15

Simplifying
a = 15

See similar equations:

| 9/5y-2=25 | | -3(5x-12)=5(x+6)-8x | | 6x+4(2x+6)=5x-10 | | f(x)=1/x2-2x-8 | | t^2-6=0 | | -2/3p=4 | | 3x+(8y-102)=180 | | n-26=4 | | s=180n-36 | | -3z+18=18 | | 4-23/4 | | t^4+4t^3-5t^2= | | 11+m=15 | | 2x+(2x-(x-4))=(x-(5-x)) | | 120=2a-2 | | 4/3-x/4=1/12 | | 1.5+3+.30+.15=X | | -23=q-30 | | 12=-2d+6 | | -23=9-30 | | -.04=g-4.9 | | 5+c=1 | | -5+7y=8x+7 | | X^2/2-x=60 | | 2/3x-1/4=5/6-2x | | 0.4y+0.1y=2.5 | | 13=18+r | | -7x+14y=21 | | F(x)=x-3x | | (3a+5b-4c)+(2a-3b+7c)+(-a+4b-2c)= | | -14.32-19.9c=-10.7c+1.32 | | 5y-1+5y-1=38 |

Equations solver categories