6x+9=3(x+7)

Simple and best practice solution for 6x+9=3(x+7) 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 6x+9=3(x+7) equation:


Simplifying
6x + 9 = 3(x + 7)

Reorder the terms:
9 + 6x = 3(x + 7)

Reorder the terms:
9 + 6x = 3(7 + x)
9 + 6x = (7 * 3 + x * 3)
9 + 6x = (21 + 3x)

Solving
9 + 6x = 21 + 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.
9 + 6x + -3x = 21 + 3x + -3x

Combine like terms: 6x + -3x = 3x
9 + 3x = 21 + 3x + -3x

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

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

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

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

Divide each side by '3'.
x = 4

Simplifying
x = 4

See similar equations:

| 4y^4-36x^6=0 | | 7x-2(x-2)=-3+7x+9 | | 16(2x-9)=4(8x+3) | | 3n^2-18n-81=0 | | 71-5n=9n-13 | | 63-7x=29x+19 | | (4x+3)-(5x-2)+17x+5-x=0 | | 137-6x=5x+16 | | X-44=67 | | 6x+28=8x+-6 | | -2p+8=5-(4p+6) | | 5x+8(1-x)=17 | | 30=7y-6y+3 | | 174=X+92 | | 2x+14=-5 | | 3y-4+y+30=8+6y+22-4y | | 6x+28=8x-6 | | x+11=-9 | | 3X=87 | | 5x-14-7x+4=5-8x-7+2x | | 2x^6+16y^3=0 | | 2(x-7)=6(x-9) | | -50-7x=7x+20 | | 2(x+1)+4x=x+5 | | .6(5x+15)=2.7-(x+3) | | m+9=m-10 | | 6x+14=66-10x | | x^7y^2-x^4y^2=0 | | 8c+11-15c+42= | | 4y-5=2y+21 | | 5x+(x-4)(3x+1)= | | (8x^3-4x^2+8x)-(9x^2+7x+3)= |

Equations solver categories