3x+9(2x+3)=42

Simple and best practice solution for 3x+9(2x+3)=42 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 3x+9(2x+3)=42 equation:


Simplifying
3x + 9(2x + 3) = 42

Reorder the terms:
3x + 9(3 + 2x) = 42
3x + (3 * 9 + 2x * 9) = 42
3x + (27 + 18x) = 42

Reorder the terms:
27 + 3x + 18x = 42

Combine like terms: 3x + 18x = 21x
27 + 21x = 42

Solving
27 + 21x = 42

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 21x = 42 + -27

Combine like terms: 27 + -27 = 0
0 + 21x = 42 + -27
21x = 42 + -27

Combine like terms: 42 + -27 = 15
21x = 15

Divide each side by '21'.
x = 0.7142857143

Simplifying
x = 0.7142857143

See similar equations:

| (4x-3)squared=-84 | | 16h+48=12h+20 | | (6a+11)=180 | | 6-9x-11x+5= | | 3x^2+30=15 | | 6+4x-2=10x-10 | | 15+4k=2-2k | | 3x^2+10=15 | | 6x+2x+x=5400 | | (-9)(-3)(-2)= | | 2x^2=173 | | 1/11times?3=?33 | | 4x+9=12x+6 | | Y=-16t^2+112t+8 | | 4(n-2)+1= | | 14w-7w=14 | | 2a-2b=24 | | x/10-6=-14 | | 66-3v=8v | | 4=8/c-5 | | 5(6x+2)=7x-4 | | d+5=2 | | 6x^2+13x-15= | | -3x+13=70 | | 5x-80=x | | 11+8x=51 | | 3(2m-5)= | | 3=.20k-2 | | -243=-9(10+8) | | 4[x-1]=20 | | f(x)=Ln(2x^3+6x+2) | | b^2+8b+4=-3 |

Equations solver categories