3(x+1)-(x-1)=2x+4

Simple and best practice solution for 3(x+1)-(x-1)=2x+4 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+1)-(x-1)=2x+4 equation:


Simplifying
3(x + 1) + -1(x + -1) = 2x + 4

Reorder the terms:
3(1 + x) + -1(x + -1) = 2x + 4
(1 * 3 + x * 3) + -1(x + -1) = 2x + 4
(3 + 3x) + -1(x + -1) = 2x + 4

Reorder the terms:
3 + 3x + -1(-1 + x) = 2x + 4
3 + 3x + (-1 * -1 + x * -1) = 2x + 4
3 + 3x + (1 + -1x) = 2x + 4

Reorder the terms:
3 + 1 + 3x + -1x = 2x + 4

Combine like terms: 3 + 1 = 4
4 + 3x + -1x = 2x + 4

Combine like terms: 3x + -1x = 2x
4 + 2x = 2x + 4

Reorder the terms:
4 + 2x = 4 + 2x

Add '-4' to each side of the equation.
4 + -4 + 2x = 4 + -4 + 2x

Combine like terms: 4 + -4 = 0
0 + 2x = 4 + -4 + 2x
2x = 4 + -4 + 2x

Combine like terms: 4 + -4 = 0
2x = 0 + 2x
2x = 2x

Add '-2x' to each side of the equation.
2x + -2x = 2x + -2x

Combine like terms: 2x + -2x = 0
0 = 2x + -2x

Combine like terms: 2x + -2x = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

See similar equations:

| 9x+23x-6=8(4x+7) | | 12x-9=3(4x+7) | | 3x^2+7.5x+9=0 | | 0.25x-18.5=6 | | .5x-9-2=.5(2-x)-1 | | 0=-16t^2+64t-60 | | -3(4x-1)=-12x-3 | | 2x^6+8x^2=9 | | 12+.5x=8 | | 5x-2(3+x)=10 | | 0=-16t^2+96t+8 | | 27x^3=-1 | | 4x+26x-6=6(5x+7) | | x-(1-x)=3 | | -7x+5y=-68 | | 77x-49=7(11x-7) | | 210=8y-2(y+6) | | 40x+53=40x+30 | | 4x^3=26x^2+14x | | -4(r-9)=-47 | | x^2-7x+10=40 | | (x-5)-4x=0 | | x^2-7x+10=37 | | 2x+x+9=8x-5x+9 | | 2x+6y=400 | | x^2-7x+10=22 | | 2(x+2)=4x+2-2x+2 | | 10=-5(w+3) | | 8(x-1)+7=15 | | 6x+34x-5=10(4x+6) | | 4x+4x-5=2(4x+4) | | 18=-2(w+9) |

Equations solver categories