3(a+5)=a+18

Simple and best practice solution for 3(a+5)=a+18 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 3(a+5)=a+18 equation:


Simplifying
3(a + 5) = a + 18

Reorder the terms:
3(5 + a) = a + 18
(5 * 3 + a * 3) = a + 18
(15 + 3a) = a + 18

Reorder the terms:
15 + 3a = 18 + a

Solving
15 + 3a = 18 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
15 + 3a + -1a = 18 + a + -1a

Combine like terms: 3a + -1a = 2a
15 + 2a = 18 + a + -1a

Combine like terms: a + -1a = 0
15 + 2a = 18 + 0
15 + 2a = 18

Add '-15' to each side of the equation.
15 + -15 + 2a = 18 + -15

Combine like terms: 15 + -15 = 0
0 + 2a = 18 + -15
2a = 18 + -15

Combine like terms: 18 + -15 = 3
2a = 3

Divide each side by '2'.
a = 1.5

Simplifying
a = 1.5

See similar equations:

| x^2+5x-25=0 | | -(m+3)-2(m+3)=0 | | -2x+3=4x-7 | | 36x=122 | | -12r-4r-3r=-19 | | 16m-10m= | | 20(p+2)+16(-3-p)= | | x/5=11/35 | | h=4+-0.5p | | -12=(-2)x^2+5x | | 4(x+9)+6=9x-5(x-3) | | (1/3)(12-6x)=4-2x | | 4g+3=6g-3 | | 3(d+2)=7(d-2) | | 20(p+2)+(-3-p)= | | 15r-18r=9 | | 18n=0 | | x^2+19x+98=0 | | 5b+11=8b-16 | | 9x-(3x-1)=73 | | 4x+2(x+3)=0 | | 13s-14s-3=2 | | 10x^2+192=0 | | 7a^2+22ab+3b^2=0 | | 4x+9x+8= | | d-6d-7=3 | | -4c-12=15 | | 4x+2(6x-5)=-2 | | 6(w-7)=4w-22 | | 4x+3=2x+29 | | d+6d-7=3 | | 15+18=x |

Equations solver categories