3x+15=6x+21

Simple and best practice solution for 3x+15=6x+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 3x+15=6x+21 equation:


Simplifying
3x + 15 = 6x + 21

Reorder the terms:
15 + 3x = 6x + 21

Reorder the terms:
15 + 3x = 21 + 6x

Solving
15 + 3x = 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.
15 + 3x + -6x = 21 + 6x + -6x

Combine like terms: 3x + -6x = -3x
15 + -3x = 21 + 6x + -6x

Combine like terms: 6x + -6x = 0
15 + -3x = 21 + 0
15 + -3x = 21

Add '-15' to each side of the equation.
15 + -15 + -3x = 21 + -15

Combine like terms: 15 + -15 = 0
0 + -3x = 21 + -15
-3x = 21 + -15

Combine like terms: 21 + -15 = 6
-3x = 6

Divide each side by '-3'.
x = -2

Simplifying
x = -2

See similar equations:

| 4n=9n-23 | | X=(y-6)/4 | | a-9=25 | | 7(1-x)=10-6(x+2) | | 4x-12=-4(7x+3)-7x | | 2.3x+1.2+2.5x=19.4-4.3x | | 1-4(u-1)=p | | 8x+12=12+8x | | 2(x+y)+y-6+10y= | | S-6=3-3 | | (4n-3)+(2n+5)= | | 0=x^5-6x^3+x | | 4(-4)-3y=-10 | | 6-6Z=-2(X+5) | | (79x-61y)(49x+5y)= | | 7a/10-3a/10 | | f(0)=1.25x | | 36/11=7/n | | 5(r+9)-5=p | | 0.3(d-100000)=202500 | | 2t+9=36 | | -4x+2x=8 | | 22=-4n+10 | | M-7=2-9 | | 500+115x= | | -7/2=-3/5y-7/3 | | -2=5+n/6 | | 9/2t=-1/9 | | 0.3(d-100000)=1000000 | | 3.5/0.2=n/1.3 | | 7p^2=-28p | | 20-10x-x^2=0 |

Equations solver categories