7x-7=9x+8

Simple and best practice solution for 7x-7=9x+8 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+8 equation:


Simplifying
7x + -7 = 9x + 8

Reorder the terms:
-7 + 7x = 9x + 8

Reorder the terms:
-7 + 7x = 8 + 9x

Solving
-7 + 7x = 8 + 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 = 8 + 9x + -9x

Combine like terms: 7x + -9x = -2x
-7 + -2x = 8 + 9x + -9x

Combine like terms: 9x + -9x = 0
-7 + -2x = 8 + 0
-7 + -2x = 8

Add '7' to each side of the equation.
-7 + 7 + -2x = 8 + 7

Combine like terms: -7 + 7 = 0
0 + -2x = 8 + 7
-2x = 8 + 7

Combine like terms: 8 + 7 = 15
-2x = 15

Divide each side by '-2'.
x = -7.5

Simplifying
x = -7.5

See similar equations:

| -20 + 1 = -19 | | 8/9:16/27 | | (X^2+y^2)+(x^2+xy)dy=0 | | 4x-7=3+44 | | -3(3s-2)-6=-3(6s+0)-3 | | x^2+y^2-12y-2x+21=0 | | 2x+6y=175 | | 0.25(a-9)=3 | | 198-4x=-2 | | 250+0.75(Y-200)+200+250= | | x^2-16y+55+y^2=0 | | 0.2(2a)=20 | | 3v^3+55v^2-175v= | | 1/(2.1x)-(1/x) | | 1/2-3x=2/3x+5 | | 0.5y-4=11 | | 2m(2m+5)-5(2m+5)= | | 7+.3x=1 | | 2(3a+1)=44 | | k/8=.5 | | 5(2+x)=2x+31 | | 3(w-6)-8=-2(-2w+6)-9w | | 0=x(x-7)(x+6) | | 3a(3a-7)+7(3a-7)= | | 2x+7x=-10 | | 2x+96=x+512 | | 9r-4r+8=8r-r | | 5+2(m-3)= | | 13/11=m/19 | | 0=4x^4-12x^3-72x^2 | | 2(a+4)-a(3-a)= | | (3x^2+8y)(3x^2-8y)= |

Equations solver categories