2x+81=7x-9

Simple and best practice solution for 2x+81=7x-9 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 2x+81=7x-9 equation:


Simplifying
2x + 81 = 7x + -9

Reorder the terms:
81 + 2x = 7x + -9

Reorder the terms:
81 + 2x = -9 + 7x

Solving
81 + 2x = -9 + 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.
81 + 2x + -7x = -9 + 7x + -7x

Combine like terms: 2x + -7x = -5x
81 + -5x = -9 + 7x + -7x

Combine like terms: 7x + -7x = 0
81 + -5x = -9 + 0
81 + -5x = -9

Add '-81' to each side of the equation.
81 + -81 + -5x = -9 + -81

Combine like terms: 81 + -81 = 0
0 + -5x = -9 + -81
-5x = -9 + -81

Combine like terms: -9 + -81 = -90
-5x = -90

Divide each side by '-5'.
x = 18

Simplifying
x = 18

See similar equations:

| Y=(7.8) | | -5x^2-11x+7=0 | | 2x+12x=2+x | | W(t)=700(0.995) | | 25x-10=11x-140 | | 8+2=1601 | | 72/18=x/54 | | 8x^2+9x-6=0 | | 15x-5=12-36x | | 4x^2=-9x-3 | | -3sinx-5cosx=0 | | (x+15)+x=81 | | G(t)=240(0.75)y | | 0.4x-0.7=6.5 | | -[z+5]=-14 | | 3x+x=532 | | 18w-10a-6w=50 | | 12x^2+2x-1=0 | | 4h+9=-16-h | | 2x+x=267 | | =8x(2x+9) | | 4x+4(-3x-2)=40 | | 78=6(-6x-5) | | -6-3x=-12 | | 6x+5=-73 | | .09+x=25070 | | 9=-4y+6y-5y | | 3x+81=33 | | 4x+37=89 | | 16x+48=3x+1 | | 6x^2-2x+16=0 | | (x+x+8).2=44 |

Equations solver categories