(u-9)*9=81

Simple and best practice solution for (u-9)*9=81 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 (u-9)*9=81 equation:


Simplifying
(u + -9) * 9 = 81

Reorder the terms:
(-9 + u) * 9 = 81

Reorder the terms for easier multiplication:
9(-9 + u) = 81
(-9 * 9 + u * 9) = 81
(-81 + 9u) = 81

Solving
-81 + 9u = 81

Solving for variable 'u'.

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

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

Combine like terms: -81 + 81 = 0
0 + 9u = 81 + 81
9u = 81 + 81

Combine like terms: 81 + 81 = 162
9u = 162

Divide each side by '9'.
u = 18

Simplifying
u = 18

See similar equations:

| 8x-14=3x+3 | | Sin(x+60)=0.2 | | 2n+16=-4 | | 2(x-1.1)=3.2 | | 6X-12=2X+1 | | 2*-92=170 | | 30/180=a/240 | | 2x+9-3x=-5x+3 | | 7x+8.42=5x+12 | | 2/5z=4 | | 20=8+3b | | 9a-8=28 | | 2x+2y-7=0 | | 7n+29=-76 | | (q-3)*5=50 | | -2.6x+1.3=-11.7 | | 1/2(5*h)=2.5 | | 2x+3squared=10 | | 1/2(5•h)=2.5 | | 5t+5h=56 | | b^2-20b=0 | | -4n+12=52 | | y=-0.1875(64)+3(8) | | Inx=1.4023 | | 57/19.=21/x | | 340=490x | | 6x+2=10x-30 | | x^2+4y^2=-20 | | 11x-4=-48 | | 4569x-90456=4x | | 6+17u=15+14u | | 12=-0.1875x^2+3x |

Equations solver categories