(7x-10)+(2x+1)=90

Simple and best practice solution for (7x-10)+(2x+1)=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-10)+(2x+1)=90 equation:


Simplifying
(7x + -10) + (2x + 1) = 90

Reorder the terms:
(-10 + 7x) + (2x + 1) = 90

Remove parenthesis around (-10 + 7x)
-10 + 7x + (2x + 1) = 90

Reorder the terms:
-10 + 7x + (1 + 2x) = 90

Remove parenthesis around (1 + 2x)
-10 + 7x + 1 + 2x = 90

Reorder the terms:
-10 + 1 + 7x + 2x = 90

Combine like terms: -10 + 1 = -9
-9 + 7x + 2x = 90

Combine like terms: 7x + 2x = 9x
-9 + 9x = 90

Solving
-9 + 9x = 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 + 9x = 90 + 9

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

Combine like terms: 90 + 9 = 99
9x = 99

Divide each side by '9'.
x = 11

Simplifying
x = 11

See similar equations:

| 13x-31+12x+36=180 | | -5(9n-5)= | | 3a+20+2a=-15a+80 | | 2m-19=-12 | | 1.3-0.7x=-3 | | 10x+33=13x+18 | | 3(2v+4)= | | 5x+2=9x+22 | | -5m(-8m-2)= | | 3x^5+2x^4= | | 300x+600y=2400 | | 1.3-0.7x=3 | | (3x+2y)*dx+(2x-4y)*dy=0 | | pi[(49x^2)-(4x^4)]= | | 600x+300y=2400 | | (3x-8)+(2x+6)=98 | | 9x+20=-2x-2 | | 4x^3-23x^2-6x=0 | | .1333333333x+3=x+2 | | 16x-5=9x+10 | | 2a^2=3600 | | Y=-5(-2)+2 | | -x(2x-6)= | | 21x-2=133 | | Y=12(-2)-5 | | .1333333333+3=x+2 | | 10r^2-9=3r | | 8(4+c)=7(7+c) | | 14=7(2m-2) | | 8n(6n+9)= | | 6x-54=3x+2 | | -x+14y=27 |

Equations solver categories