-31=2(3-x)-7(x+4)

Simple and best practice solution for -31=2(3-x)-7(x+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 -31=2(3-x)-7(x+4) equation:


Simplifying
-31 = 2(3 + -1x) + -7(x + 4)
-31 = (3 * 2 + -1x * 2) + -7(x + 4)
-31 = (6 + -2x) + -7(x + 4)

Reorder the terms:
-31 = 6 + -2x + -7(4 + x)
-31 = 6 + -2x + (4 * -7 + x * -7)
-31 = 6 + -2x + (-28 + -7x)

Reorder the terms:
-31 = 6 + -28 + -2x + -7x

Combine like terms: 6 + -28 = -22
-31 = -22 + -2x + -7x

Combine like terms: -2x + -7x = -9x
-31 = -22 + -9x

Solving
-31 = -22 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-31 + 9x = -22 + -9x + 9x

Combine like terms: -9x + 9x = 0
-31 + 9x = -22 + 0
-31 + 9x = -22

Add '31' to each side of the equation.
-31 + 31 + 9x = -22 + 31

Combine like terms: -31 + 31 = 0
0 + 9x = -22 + 31
9x = -22 + 31

Combine like terms: -22 + 31 = 9
9x = 9

Divide each side by '9'.
x = 1

Simplifying
x = 1

See similar equations:

| sin(3x)+sin(9x)=sin(12x) | | 4ax+6y=36 | | 3.1b-7=2.8b | | x+11+1=12 | | senx(senx+2)=3 | | 21+2x=5-3x | | 3(8x*5)=8 | | (7y+5w-5)(3y+1)=0 | | 6t(-5)=13 | | -2x+43=0 | | 7.7j=7.23 | | 2senx+sen^2x=3 | | 3y+2.5=2-5y | | 5M+10P=100 | | 5(6z-1)-4(z+6)=14(z+1) | | 2y-3x+11+5y-10=180 | | 70-9n=781 | | 4x+8x=-6(1-2x)+6(-x-4) | | x=99 | | n(n+14)=-5 | | -82(2c-5)=-5(3c+7) | | (2x+3)(x)=184 | | x+2x-4+x-60=180 | | 12x^3-27x=9-4x^2 | | 9-9=13x+4x | | .5(x+3)=-3x+2 | | 91=4t-17t | | iz+3-i=4+3i | | 0.5x-22= | | (-4f+5)+(9f-40)=180 | | 1000+25x=1500+30x | | 4x=16-(-12) |

Equations solver categories