21-15=3(x-2)

Simple and best practice solution for 21-15=3(x-2) 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 21-15=3(x-2) equation:


Simplifying
21 + -15 = 3(x + -2)

Combine like terms: 21 + -15 = 6
6 = 3(x + -2)

Reorder the terms:
6 = 3(-2 + x)
6 = (-2 * 3 + x * 3)
6 = (-6 + 3x)

Solving
6 = -6 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
6 + -3x = -6 + 3x + -3x

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

Add '-6' to each side of the equation.
6 + -6 + -3x = -6 + -6

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

Combine like terms: -6 + -6 = -12
-3x = -12

Divide each side by '-3'.
x = 4

Simplifying
x = 4

See similar equations:

| 4n+2.9=8.1 | | 15+x-y=23 | | f(x)=-9x^2-48x-64 | | 3x/9=24/36 | | 75/8x16 | | (6^x)/10=x/2 | | 2x=(320/8)solveforx | | 216x=4x^3-12x^2 | | 4(3x+9)=12x-5 | | 13x+19=-98 | | 3x+4+2x=2(x+4) | | 15/r=50/100 | | 43.8=25d+25d^2/2equation | | 11x+9=11x-10 | | 1/11y-6=9 | | 43.8=25d+25d/2 | | 43.8=25d+25d2/2 | | 2x-4(x-5)=-2+4x-14 | | 2s^2+2s(m+4)=0 | | -1.5(6x-9)=-4x+6 | | [3c+1]-4=13 | | y/3+y4=5/8 | | x−1/2(x+3)1/2+x1/2(x+3)−1/2 | | 5x+21=66 | | x=(10/36)(10y+z) | | x/3-6+5/6 | | 5x-2(x-4)=-9+5x+3 | | 2(8x-11y+10)-1/2(12y-4x-20) | | (60)(7)=5r | | X/2-6=3/4 | | (60)(7)=5t | | (7y/12)-1=9-(3y/4) |

Equations solver categories