9x-(6x+9)=9x-21

Simple and best practice solution for 9x-(6x+9)=9x-21 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 9x-(6x+9)=9x-21 equation:


Simplifying
9x + -1(6x + 9) = 9x + -21

Reorder the terms:
9x + -1(9 + 6x) = 9x + -21
9x + (9 * -1 + 6x * -1) = 9x + -21
9x + (-9 + -6x) = 9x + -21

Reorder the terms:
-9 + 9x + -6x = 9x + -21

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

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

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

Solving for variable 'x'.

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

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

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

Combine like terms: 9x + -9x = 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:

| 15+x/5=10 | | -4=t-13 | | k+(-21)=-15 | | 4xy^2-y^3+3x^2=0 | | 21-[2+8y-3(y+4)]=-3(2y-5)-[9(y-1)-7y+11] | | 8w=6+16 | | 34(1/6/17) | | -24=x+2 | | 3m+4n=-14 | | 40y^6/5y^3 | | (2y+3)/(4y-1)=(3y-2)/(3y+2) | | 2y+4y-8x^2=6 | | 5x+40-6x=3-9x+5 | | 4(5+2x)=7(x-5) | | 7x-(2x-5)=20 | | 3n+5n=7(-7n) | | 2(1-5x)=-8 | | 3x+xy=6 | | -14=a+(-2) | | y+8x=11 | | 0.27x-3.9=0.48x+0.29 | | 0.08+0.11(3x+38000)=34110 | | 5=p-(-30) | | 0.5(x-5)=2 | | 2(x-1)=-(x-7) | | 3x^3+12x^2+8x+32= | | 12s+2=6 | | 8x+12=5z-21 | | 2x^3y^4/x^5y^3 | | -56/-8 | | -23=n+7 | | 4(-2+3x)=3(-2x+5) |

Equations solver categories