2x+21=9x-3

Simple and best practice solution for 2x+21=9x-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 2x+21=9x-3 equation:


Simplifying
2x + 21 = 9x + -3

Reorder the terms:
21 + 2x = 9x + -3

Reorder the terms:
21 + 2x = -3 + 9x

Solving
21 + 2x = -3 + 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.
21 + 2x + -9x = -3 + 9x + -9x

Combine like terms: 2x + -9x = -7x
21 + -7x = -3 + 9x + -9x

Combine like terms: 9x + -9x = 0
21 + -7x = -3 + 0
21 + -7x = -3

Add '-21' to each side of the equation.
21 + -21 + -7x = -3 + -21

Combine like terms: 21 + -21 = 0
0 + -7x = -3 + -21
-7x = -3 + -21

Combine like terms: -3 + -21 = -24
-7x = -24

Divide each side by '-7'.
x = 3.428571429

Simplifying
x = 3.428571429

See similar equations:

| 2.3x+29.3=1.2(x-4) | | b+40=49 | | 8+0.6x=19.04 | | x/12=x/5-7 | | 5(n-3)=3(n+5) | | a^2-2a+3b=a(x+a)+b | | 8x-2=-4x+7x | | 4(y-2)-2y=6y-8-4y | | P=900/0.06(3) | | 20-a=-4a+3(a-7) | | (y/3)+(2/3)=(y/2)+(3/2) | | 0.70-7.58x=32.10 | | 5=2.5+x | | 4(9y-7)-(7y+5)=0 | | -k/8=2 | | x+1/6x=84 | | 18.95+0.72x=154.31 | | X+8x/3=65 | | 5x+9=3(x+5) | | (x-5)+(.5(x+6))+(2x-10)=30 | | 18.95+0.72=154.31 | | -9-2x=-17 | | 4y+12=2 | | 5-31x-20+3x+2=38 | | 5x/7-x/14=9/7 | | n/8=400/20 | | 3x-480=2x | | 5+3(x+7)=2(4x-9) | | 5z+6y+7x=90 | | 2x=x+16 | | 6x-120=10x | | 5y+6x+7z= |

Equations solver categories