-9=3x+3(x-7)

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


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

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

Reorder the terms:
-9 = -21 + 3x + 3x

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

Solving
-9 = -21 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-9 + -6x = -21 + 6x + -6x

Combine like terms: 6x + -6x = 0
-9 + -6x = -21 + 0
-9 + -6x = -21

Add '9' to each side of the equation.
-9 + 9 + -6x = -21 + 9

Combine like terms: -9 + 9 = 0
0 + -6x = -21 + 9
-6x = -21 + 9

Combine like terms: -21 + 9 = -12
-6x = -12

Divide each side by '-6'.
x = 2

Simplifying
x = 2

See similar equations:

| 15t=-75 | | 180=138+2x | | -1148-9x=10x+23 | | 6(w+4)-8w=28 | | 13t=-39 | | 20+8(q-11)=11 | | -31(24+12)= | | ((x+3)*(x-1))-(x^2+3x)+(x-1)= | | 6(8+m)= | | 10t=-20 | | (3x+1)(2x-4)=0 | | 12t=-24 | | -4-(3+6m)=0.5(4+2m) | | (y^2-2y)+(2y-y^2)-(y-2)= | | 25=3y+4 | | 750.00-50.00=0 | | 3+(y-1)-(y-3)= | | 9x-4+8x=1 | | 15s=90 | | 2m-3=6 | | m+(-50)=123 | | 10s=100 | | -24+17x-1-18x=-35+x | | 5s=10 | | (x+3)*(x-1)= | | 4s*4=64 | | 5(w+y)= | | 5*w+y= | | y=0x+2000 | | 5xw+y= | | 180=65*2+x | | 180=102+2x |

Equations solver categories