9x+9=7x+20

Simple and best practice solution for 9x+9=7x+20 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 9x+9=7x+20 equation:


Simplifying
9x + 9 = 7x + 20

Reorder the terms:
9 + 9x = 7x + 20

Reorder the terms:
9 + 9x = 20 + 7x

Solving
9 + 9x = 20 + 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.
9 + 9x + -7x = 20 + 7x + -7x

Combine like terms: 9x + -7x = 2x
9 + 2x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
9 + 2x = 20 + 0
9 + 2x = 20

Add '-9' to each side of the equation.
9 + -9 + 2x = 20 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 20 + -9
2x = 20 + -9

Combine like terms: 20 + -9 = 11
2x = 11

Divide each side by '2'.
x = 5.5

Simplifying
x = 5.5

See similar equations:

| y^2-11=0 | | 4x=15x^2 | | 8X-5/X-1=10/6 | | 6x^3+x^2-12x=0 | | 14x+17=78 | | (7z+31/6x)-(z+1/6x) | | 0=2-2c | | X-(1-2X)=-X+(2-3X) | | x-7^1/2+12=0 | | 3(b+7)=5(b-3) | | (3a)2+5*2/3 | | 12x-24=4x | | 7X-2(5-4X)=9X-4-(X+1) | | 10x^3-2x^2-12x=0 | | 4. 7X-2(5-4X)=9X-4(X+1) | | x^2+7x/10x+70 | | 3+5+6=13 | | h+5/-9=20 | | (x+5)=(2x+7) | | -6xy^2+3xy+18x= | | x+93=4x | | 7+12x+3x^2=0 | | 4(X-1)+2=2X-(X-3) | | 6(q-4)+3(1+q)-3q=3q | | 9x^3+36x^2+21x=0 | | 8w-5=5w+4 | | 8x+3y-4x+4y-2x= | | 9x^3+36x^2+21x=y | | 5z+8=-2 | | -11-a=63 | | R/15.5=0.1 | | h*4.7=30.55 |

Equations solver categories