3x+78=9x+12x

Simple and best practice solution for 3x+78=9x+12x 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+78=9x+12x equation:


Simplifying
3x + 78 = 9x + 12x

Reorder the terms:
78 + 3x = 9x + 12x

Combine like terms: 9x + 12x = 21x
78 + 3x = 21x

Solving
78 + 3x = 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
78 + 3x + -21x = 21x + -21x

Combine like terms: 3x + -21x = -18x
78 + -18x = 21x + -21x

Combine like terms: 21x + -21x = 0
78 + -18x = 0

Add '-78' to each side of the equation.
78 + -78 + -18x = 0 + -78

Combine like terms: 78 + -78 = 0
0 + -18x = 0 + -78
-18x = 0 + -78

Combine like terms: 0 + -78 = -78
-18x = -78

Divide each side by '-18'.
x = 4.333333333

Simplifying
x = 4.333333333

See similar equations:

| 7(2n+7)= | | y+17=5(x+3) | | x^2+2y^2+3xy= | | 5(8-a)= | | 30+4+(30)(.50)=49 | | 3/18 | | x/8-5=-5 | | 5(1+x)=10 | | n^2+4n-20=0 | | 3x+5(1+x)+15=7x | | -3=5p-4 | | X^2=2(5X-12) | | -9=4e-1 | | (18*267y)/12 | | 2x+7=7x-4 | | -2-3x=1 | | 8x+y=4fory | | 8x+y=4 | | 500/1+6e^-0.3t=100 | | 25x^2+3x-4=5 | | p+5-2p=12 | | x^5-81x= | | 2e-12=7e+i | | -5r/7+1=21 | | 2b-10/9b | | 2x+3.4=6.4 | | 4(n+3)=(3n+1) | | 7a+4p=4.8 | | (4x-5)+(2x+1)=0 | | 4x-5+2x+1=0 | | 2x+4y+58=600 | | 5(t-3)=25 |

Equations solver categories