3(X-7)=X

Simple and best practice solution for 3(X-7)=X 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 3(X-7)=X equation:


Simplifying
3(X + -7) = X

Reorder the terms:
3(-7 + X) = X
(-7 * 3 + X * 3) = X
(-21 + 3X) = X

Solving
-21 + 3X = X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
-21 + 3X + -1X = X + -1X

Combine like terms: 3X + -1X = 2X
-21 + 2X = X + -1X

Combine like terms: X + -1X = 0
-21 + 2X = 0

Add '21' to each side of the equation.
-21 + 21 + 2X = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 2X = 0 + 21
2X = 0 + 21

Combine like terms: 0 + 21 = 21
2X = 21

Divide each side by '2'.
X = 10.5

Simplifying
X = 10.5

See similar equations:

| 7Y=3Y+16 | | X^2+6x+9=36 | | 4.5X-1.5=3X+4.5 | | -5(12m-4)=2(7m+10) | | x(4x-7)(x+2)= | | 6(W-1)=3(W+3) | | 12+3x=-12y | | 5mn+n=9m | | x(5x-3)(x+7)= | | 3(-5x-6)=-8x+31 | | 1+99999999999999999999.9=x | | -x^2+2x+56=0 | | 12x^2-17x-5=0 | | 26-7b=-2(2b-3)+2b | | t^3+6t^2-2t-12= | | x^2+8x+9=0 | | y^3-y^2+3y-3=0 | | 2y+96=178 | | 5*-3= | | 2y+91=175 | | b^3-b^2+2b-2=0 | | 9x^2-49=0 | | -9x^2+51x-6=0 | | p^2-5pq-24q^2=0 | | x^2+12xy+27y^2=0 | | 8(1+3k)=8+4k | | 9x^2+24x+16=0 | | x^2+12x+13=0 | | x^2-3x+7=0 | | y^4+5y^2-84=0 | | x^4+11x^2-80=0 | | x^2+21-4x=0 |

Equations solver categories