7x+9=15x-15

Simple and best practice solution for 7x+9=15x-15 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=15x-15 equation:


Simplifying
7x + 9 = 15x + -15

Reorder the terms:
9 + 7x = 15x + -15

Reorder the terms:
9 + 7x = -15 + 15x

Solving
9 + 7x = -15 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
9 + 7x + -15x = -15 + 15x + -15x

Combine like terms: 7x + -15x = -8x
9 + -8x = -15 + 15x + -15x

Combine like terms: 15x + -15x = 0
9 + -8x = -15 + 0
9 + -8x = -15

Add '-9' to each side of the equation.
9 + -9 + -8x = -15 + -9

Combine like terms: 9 + -9 = 0
0 + -8x = -15 + -9
-8x = -15 + -9

Combine like terms: -15 + -9 = -24
-8x = -24

Divide each side by '-8'.
x = 3

Simplifying
x = 3

See similar equations:

| Qp=120-3P | | 2x+6-7x=34-11x+14 | | 5/6y=5/42 | | 134=28x+50 | | -16-4y=0 | | -208=-4a-3(-6a+18) | | 2-x/3-x=4 | | 2/9*2/9*9/7*9/7 | | 9z-z=-3+4z-3-6 | | -4(3u-9)+8u=6(u+8) | | -.6666666666666x+6=2x-2 | | 5x^3-10x^2+20x-15=0 | | X+16.8=-7.2 | | a/-1=4 | | cos(40)=(x-4)/x | | 6x=3(16) | | 8x=6(14) | | 142-2x+54=180 | | y=2x^2+4x+20 | | 9-5Y/4 | | 14x=22(35) | | ydx+(y-x)dx=0 | | X=9-5Y/4 | | 5+2(x-18)=-5x-17 | | (1/4)*(8y)=(4^3)*(y) | | X+(X+6)+(x+6)=113 | | (X*.1)+X=12214.25 | | 5x-50=360 | | 6y=4.5 | | (1/4*8y)=(4^3*y) | | 2x-3=-.75x-.25 | | 4/10=3/x |

Equations solver categories