7y+9=15y-15

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


Simplifying
7y + 9 = 15y + -15

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

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

Solving
9 + 7y = -15 + 15y

Solving for variable 'y'.

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

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

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

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

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

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

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

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

Simplifying
y = 3

See similar equations:

| 2a(b+1)= | | 4p+4(1-p)=2p+6(1-p) | | 2x-5-30x-8=-138-3x | | 12h^2-17hj-5j^2=0 | | c=-18x+-1x^2 | | 4a+4a=16 | | 3x+9y=-63 | | 5y+100=50 | | 9r=38 | | 1.2c+2.4c=10.8 | | 9-3u=-2u+5 | | 4x+y= -36 | | 8x+5y= -168 | | p^2+pq=2 | | -5h=19 | | (8+p)=14 | | 36x=38 | | 10+11c=-34 | | 22x+3=20 | | 3b-13=2 | | y=-12-6x | | v-20-5v=-300-6v | | 7.46x+67.14=134.28 | | 10x-59=141 | | .33(x-12)=.66 | | 5x+12-9x=-16 | | r-(r-1)+(-1)= | | 3(x+5)+x+4=4(x-3) | | 3b-41=16 | | 7d-100-3d=200 | | 3f+6=48 | | 4q+2(1-q)=2q+6(1-q) |

Equations solver categories