6+15=3(x+3)

Simple and best practice solution for 6+15=3(x+3) 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 6+15=3(x+3) equation: 


Simplifying
6 + 15 = 3(x + 3)

Combine like terms: 6 + 15 = 21
21 = 3(x + 3)

Reorder the terms:
21 = 3(3 + x)
21 = (3 * 3 + x * 3)
21 = (9 + 3x)

Solving
21 = 9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
21 + -3x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 + -3x = 9 + 0
21 + -3x = 9

Add '-21' to each side of the equation.
21 + -21 + -3x = 9 + -21

Combine like terms: 21 + -21 = 0
0 + -3x = 9 + -21
-3x = 9 + -21

Combine like terms: 9 + -21 = -12
-3x = -12

Divide each side by '-3'.
x = 4

Simplifying
x = 4

See similar equations:

| 6x+5=4x+37 | | 3u/2=36 | | 5-3a=23-6a | | -4=-2/5*-4-2 | | 2.3t=5t-9.98 | | 2/7y-5/6+5/7y=0.1666 | | 3n-2=7n+14 | | 9=-5x-3(9) | | 4x=2x+26 | | 2(x-3)-5=4x+3-2x | | 5x=1x+28 | | 4x^2-11x-168=0 | | (x-(3+i))(x-(3-i))(x-2)= | | 2.6=log(x^5) | | -2x=23/30 | | -2x=23/304 | | 2v+5v+4h-5h+9h= | | 4(.25+x)=1.8 | | 9/5(3) | | 5ba-2ab= | | 24-6X=8-8X | | 8t-8=5t-2 | | (x-(3+i))(x-(3-i))= | | x^2+8x-48=3(x-8) | | c=1/2jp | | 1,05=(1+r)*(1,60/1,70) | | 1.7+0.3x=2.9 | | -2z=2 | | 2.6+3x=.8x+15 | | 1.7+0.3=2.9 | | f(-3)=2x^2+4x | | 4.1x+5.6=-6.7 |

Equations solver categories