7x+9=90

Simple and best practice solution for 7x+9=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 7x+9=90 equation: 


Simplifying
7x + 9 = 90

Reorder the terms:
9 + 7x = 90

Solving
9 + 7x = 90

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 7x = 90 + -9

Combine like terms: 9 + -9 = 0
0 + 7x = 90 + -9
7x = 90 + -9

Combine like terms: 90 + -9 = 81
7x = 81

Divide each side by '7'.
x = 11.57142857

Simplifying
x = 11.57142857

See similar equations:

| 15-9d-4d=5-3d | | 3-17x=-31 | | 16.3+s=36.94 | | n-2-7=-(6n-5)-5(n-2) | | 4.0p+14.10=4.50(p+3) | | n-2-7=-(6n-5)-5(n-2) | | 7x+9=90 | | 3x-9+(x+7)=90 | | X=12-y | | n-2-7=-6(6n-5)-5(n-2) | | 150=x(60) | | 5x-22+(4x+4)=90 | | .75a=14.25 | | 50x^2=450 | | 3.2x-0.88+1.2x=0 | | x+y+24=32 | | -4=-28+n | | -20+50y=100 | | (6x-10)+6x+10=180 | | -3-5(5x+7)=0 | | a-0.01a=33 | | -3(-6r-6)-5(7+7r)=-51 | | 3.4=-1.7y | | y-44=38(23+x)+21 | | 9x^2-7=-151 | | 0.75h+4=7 | | -12x+4y=28 | | 70+4x-2y=180 | | 10.1x=0.2(x+2) | | 5c+10=c-10 | | 0.75+4=7 | | 4.3y=47.3 |

Equations solver categories