7x-9+3x=91

Simple and best practice solution for 7x-9+3x=91 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+3x=91 equation:


Simplifying
7x + -9 + 3x = 91

Reorder the terms:
-9 + 7x + 3x = 91

Combine like terms: 7x + 3x = 10x
-9 + 10x = 91

Solving
-9 + 10x = 91

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 + 10x = 91 + 9

Combine like terms: -9 + 9 = 0
0 + 10x = 91 + 9
10x = 91 + 9

Combine like terms: 91 + 9 = 100
10x = 100

Divide each side by '10'.
x = 10

Simplifying
x = 10

See similar equations:

| 10x+1=4x+1 | | -2x+4(-1x+16)=106 | | y=3+5x-2x^2 | | 3-2x=-1 | | 5y+3(y-8)=2y+6 | | a+3.6=-.2 | | 3x^2+4x-10=0 | | 5x-7=10x+8 | | 4x+2=2x+1 | | 10x^2-2.5=0 | | x+2.5=4.7 | | 24=-2(m+3)+3 | | 7xy+3y^2-12xy+10y^2-10= | | -3(5x+6)=-9 | | 3s-4s=28 | | 4(f+3)+5=17+4f | | 6(y-4)+2y+8y=72 | | 0.1x-7=2 | | y^3-5x^2+9x^3-9x^2+8= | | 6x+2(7x+5)=170 | | 2y^2-4y-8=-y^2+y | | 7x-7=12+13 | | y-13=0 | | 7g+2(a-3)=-9 | | 2x+b=w | | 0=-3(y+5) | | 63a-21a^3= | | -16x^2+8x-1=0 | | x-11=5x+1 | | 14=n*2 | | 5(2t-1)+4t=10-t | | 4(r+3)=t |

Equations solver categories