-3x+9=7x-31

Simple and best practice solution for -3x+9=7x-31 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 -3x+9=7x-31 equation:


Simplifying
-3x + 9 = 7x + -31

Reorder the terms:
9 + -3x = 7x + -31

Reorder the terms:
9 + -3x = -31 + 7x

Solving
9 + -3x = -31 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
9 + -3x + -7x = -31 + 7x + -7x

Combine like terms: -3x + -7x = -10x
9 + -10x = -31 + 7x + -7x

Combine like terms: 7x + -7x = 0
9 + -10x = -31 + 0
9 + -10x = -31

Add '-9' to each side of the equation.
9 + -9 + -10x = -31 + -9

Combine like terms: 9 + -9 = 0
0 + -10x = -31 + -9
-10x = -31 + -9

Combine like terms: -31 + -9 = -40
-10x = -40

Divide each side by '-10'.
x = 4

Simplifying
x = 4

See similar equations:

| 6x+5=2(3x-8) | | 6y-4-3y=9+5y-1 | | cosx=-.371 | | 7u=3u+8 | | 9(y-7)=7y-45 | | -(-33+18)=3+(-18) | | -5x+7=7+4x | | 22x-7x+3(2x-6)=87 | | 10x+5y=82 | | -7(y+9)=-5y-45 | | 46/216 | | 7x-3=5+5x | | e*x*x=0 | | -7/3v=-21 | | 5(x+4)+7=37 | | (5u+1)(6+u)=0 | | -8(3-s)=3M | | -8(3-s)=3 | | -7x+4=4x-62 | | -12=-4/9v | | P=c+2b+4c | | 100+2x=300-x | | -5/2u=10 | | 0.49(t+0.59)=1.49 | | 0.59(g+0.49)=1.49 | | X+1=-7x+1 | | 48=38x+55(1-x) | | -6=3(w+4)+6w | | (-14)x(-2)+1= | | -7u+4(u-5)=-29 | | 7-4x=9+3x | | 2x/4=13 |

Equations solver categories