3(x+7)=2[x-(9-x)]

Simple and best practice solution for 3(x+7)=2[x-(9-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)=2[x-(9-x)] equation:


Simplifying
3(x + 7) = 2[x + -1(9 + -1x)]

Reorder the terms:
3(7 + x) = 2[x + -1(9 + -1x)]
(7 * 3 + x * 3) = 2[x + -1(9 + -1x)]
(21 + 3x) = 2[x + -1(9 + -1x)]
21 + 3x = 2[x + (9 * -1 + -1x * -1)]
21 + 3x = 2[x + (-9 + 1x)]

Reorder the terms:
21 + 3x = 2[-9 + x + 1x]

Combine like terms: x + 1x = 2x
21 + 3x = 2[-9 + 2x]
21 + 3x = [-9 * 2 + 2x * 2]
21 + 3x = [-18 + 4x]

Solving
21 + 3x = -18 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
21 + 3x + -4x = -18 + 4x + -4x

Combine like terms: 3x + -4x = -1x
21 + -1x = -18 + 4x + -4x

Combine like terms: 4x + -4x = 0
21 + -1x = -18 + 0
21 + -1x = -18

Add '-21' to each side of the equation.
21 + -21 + -1x = -18 + -21

Combine like terms: 21 + -21 = 0
0 + -1x = -18 + -21
-1x = -18 + -21

Combine like terms: -18 + -21 = -39
-1x = -39

Divide each side by '-1'.
x = 39

Simplifying
x = 39

See similar equations:

| X^2-4*x-60=0 | | 64*500=125x | | .2n+.14n=12 | | y^2-2y+98=0 | | 3(x-5)-5(x-3)=x+7-(x-3) | | 8y-2=17y+43 | | -5Z=-20 | | 21-3x=-18 | | 23-6x=5x-3x | | 16400=4a+2b+c | | 4b+8-3= | | y=3x^2+33x+90 | | cos(x)-1=0.9 | | 7.2x-3+x-1.4= | | 216x=343*648 | | 2(7x+8)+6=14x+22 | | 2k^2x^2+kx-36=0 | | 24x^2-24x-48=0 | | 6n+3+9= | | 4/9=z/ | | -x+8=-x-4-5 | | -3+6T=9T | | -21=5w-6 | | -7z+6z=2z-1-8z | | y-0=-.25(x-7) | | 0.08(y-1)+0.12y=0.14-0.05(10) | | y-0=.142(x+7) | | y+7=1.5(x-6) | | 9x+2y+3=0 | | 10x+8=50x+3 | | 8x+10=3x+50 | | 8+4(2-2)=3z+1 |

Equations solver categories