7x-7=9x+9

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


Simplifying
7x + -7 = 9x + 9

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

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

Solving
-7 + 7x = 9 + 9x

Solving for variable 'x'.

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

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

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

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

Add '7' to each side of the equation.
-7 + 7 + -2x = 9 + 7

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

Combine like terms: 9 + 7 = 16
-2x = 16

Divide each side by '-2'.
x = -8

Simplifying
x = -8

See similar equations:

| 8=6p+2 | | 4(4)+9(x)=36 | | x(-3)=-15+5 | | x^3-x^2-49x+49= | | 5sin^2x-7cos^4x-9cos^2x= | | 4a=56 | | 210-80x=70(x-0.75) | | 1-1x=7+1x | | 2y+10+y=y+50 | | -20-2x=4 | | -4(3x+3)=-48 | | 3z=123 | | 5(4)+7x=35 | | x^2+4x+4-36=0 | | 4(5)+9(x)=36 | | 3(3y-8)=28 | | 3/5=x/13 | | -6x=-44 | | 6a-3/2a | | -71/2=x+61/4 | | -81/2=x+61/4 | | 3m+15=90 | | x^2-y^2x=0 | | -17=y-6/z | | (4x-3)•2•25•2/20-(x-1) | | 17x+2x=36 | | 5x+6y-9=0 | | 2x+15x-54= | | 4m+20m+42= | | 3cd+2cd-cd= | | 6*3x=12 | | 4s=4s |

Equations solver categories