3(x-2)+5(x+11-3x)=21

Simple and best practice solution for 3(x-2)+5(x+11-3x)=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 3(x-2)+5(x+11-3x)=21 equation:


Simplifying
3(x + -2) + 5(x + 11 + -3x) = 21

Reorder the terms:
3(-2 + x) + 5(x + 11 + -3x) = 21
(-2 * 3 + x * 3) + 5(x + 11 + -3x) = 21
(-6 + 3x) + 5(x + 11 + -3x) = 21

Reorder the terms:
-6 + 3x + 5(11 + x + -3x) = 21

Combine like terms: x + -3x = -2x
-6 + 3x + 5(11 + -2x) = 21
-6 + 3x + (11 * 5 + -2x * 5) = 21
-6 + 3x + (55 + -10x) = 21

Reorder the terms:
-6 + 55 + 3x + -10x = 21

Combine like terms: -6 + 55 = 49
49 + 3x + -10x = 21

Combine like terms: 3x + -10x = -7x
49 + -7x = 21

Solving
49 + -7x = 21

Solving for variable 'x'.

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

Add '-49' to each side of the equation.
49 + -49 + -7x = 21 + -49

Combine like terms: 49 + -49 = 0
0 + -7x = 21 + -49
-7x = 21 + -49

Combine like terms: 21 + -49 = -28
-7x = -28

Divide each side by '-7'.
x = 4

Simplifying
x = 4

See similar equations:

| 1/16=4/a | | 5x-10+5=5 | | 5n-2-(3n-4)=10 | | 81=-12t+5t^2 | | 2y+2+5y+3=40 | | 12+4n=(n+3) | | 9x^3-36x^5=0 | | 17x+4x=65-2 | | (x/2)(-2x) | | F(x)=2x-5x+2 | | 5(a+2)=4(4-1) | | 4(3x-5)=43 | | 3d+d-7=4 | | -2x(-2x+3)+2=3x+50 | | 2x^2-10=2x+14 | | 3y+54-25=6y | | Solves=2lw+2wh+2lhforw | | 5x^2=-4x+19 | | -2x+12-6=3x-2+24 | | -5m^2-6m+9=0 | | x=16/-6 | | 10-10x=2x+10 | | 7-8x=5x-19 | | 8-4x=7x+41 | | 4881+644+5484+47= | | d^2y/dx^2=dy/xdx | | d^2/dx^2=dy/xdx | | 2ab+4b= | | 2sinx(1-2sin^2x)=0 | | 4(x+7)+12=p | | (x+10)*(y-2)=0 | | 2p-4=y |

Equations solver categories