2+1-(3x+4)-(-x-x)=12

Simple and best practice solution for 2+1-(3x+4)-(-x-x)=12 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 2+1-(3x+4)-(-x-x)=12 equation:


Simplifying
2 + 1 + -1(3x + 4) + -1(-1x + -1x) = 12

Reorder the terms:
2 + 1 + -1(4 + 3x) + -1(-1x + -1x) = 12
2 + 1 + (4 * -1 + 3x * -1) + -1(-1x + -1x) = 12
2 + 1 + (-4 + -3x) + -1(-1x + -1x) = 12

Combine like terms: -1x + -1x = -2x
2 + 1 + -4 + -3x + -1(-2x) = 12

Remove parenthesis around (-2x)
2 + 1 + -4 + -3x + -1 * -2x = 12

Multiply -1 * -2
2 + 1 + -4 + -3x + 2x = 12

Combine like terms: 2 + 1 = 3
3 + -4 + -3x + 2x = 12

Combine like terms: 3 + -4 = -1
-1 + -3x + 2x = 12

Combine like terms: -3x + 2x = -1x
-1 + -1x = 12

Solving
-1 + -1x = 12

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + -1x = 12 + 1

Combine like terms: -1 + 1 = 0
0 + -1x = 12 + 1
-1x = 12 + 1

Combine like terms: 12 + 1 = 13
-1x = 13

Divide each side by '-1'.
x = -13

Simplifying
x = -13

See similar equations:

| y=-.8x^2+12x+25.8 | | 5(2x+6)=4(2x-10) | | -15+4y=15 | | x^4-26x^2+9=0 | | 4x^3-12t^2=0 | | y^2-x+6y+13=0 | | 49x^2+42x+5=-4 | | 2*7+3y=14 | | -x-8=6x+13 | | 2n^2+13n-20=4 | | 5x=2+5x | | 134/6-105/6= | | 4*-2.25+3y=-9 | | 5n^2-25n+30=0 | | (3x-11)=49 | | 56p^2-7p=p | | 7x+2-1=2x+16 | | 6.25/1.25=a/10 | | 16p^2+79p+27=-5+7p | | y*(y+2)-2*(16-y)=7*[15-y*(2+y)] | | 2+v=-8+3v | | 4(1-3y)-2y=-38 | | 9(2x-3)-5(4x-x)=-8 | | P+p=p+7 | | p=-325x+5800 | | 5k+9=64 | | 0.1x+0.01=0.01y+0.1 | | 1a-15=49-3 | | 7p^2-50v+4=-3 | | 3x+2(4x)=4 | | 5p^2-2p+3=-1+7p | | 5(m+7)-3(m+2)=0 |

Equations solver categories