X-3X=90

Simple and best practice solution for X-3X=90 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 X-3X=90 equation: 


Simplifying
X + -3X = 90

Combine like terms: X + -3X = -2X
-2X = 90

Solving
-2X = 90

Solving for variable 'X'.

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

Divide each side by '-2'.
X = -45

Simplifying
X = -45

See similar equations:

| 8m=-6+5m | | 4z+9-2z=45-2z | | 1100+800+4x=800+500+9x | | -8x+20y=7 | | x+5/30=12 | | .5(y-.2)=.125(y+5) | | 2y-4x=-2 | | -3(y-6y)+3=-4(2y-y)+9+18y | | -4b+2=-(8-2b)-8 | | x^2+x-420=0 | | .25cos(x)=-.2 | | 7c+13=14c | | 5x+2=9-4 | | fx=7x-6 | | 5x-8x=-24 | | 3(x+4)=17x | | 5k+k+6=30 | | 5x-2+3x=17+12x-25 | | 200.00+0.50x=75.00+0.10x | | 21=7(x-8) | | -2x-16=-10 | | -5n+4=-36 | | w^2+7w=638 | | -7+8x=-12x+33 | | 7(r+1)-2r=3(r-5) | | 7v-20=22 | | 48=g-(32) | | -3(y-6y)+3=4(2y-y)+9+18y | | 2(x-31)=4(-2x+22) | | W*w+7=638 | | 9t^3-27t^2-2142t=0 | | 1-2(x+8)-15=-3 |

Equations solver categories