7(y-1)=5y-21

Simple and best practice solution for 7(y-1)=5y-21 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 7(y-1)=5y-21 equation: 


Simplifying
7(y + -1) = 5y + -21

Reorder the terms:
7(-1 + y) = 5y + -21
(-1 * 7 + y * 7) = 5y + -21
(-7 + 7y) = 5y + -21

Reorder the terms:
-7 + 7y = -21 + 5y

Solving
-7 + 7y = -21 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-7 + 7y + -5y = -21 + 5y + -5y

Combine like terms: 7y + -5y = 2y
-7 + 2y = -21 + 5y + -5y

Combine like terms: 5y + -5y = 0
-7 + 2y = -21 + 0
-7 + 2y = -21

Add '7' to each side of the equation.
-7 + 7 + 2y = -21 + 7

Combine like terms: -7 + 7 = 0
0 + 2y = -21 + 7
2y = -21 + 7

Combine like terms: -21 + 7 = -14
2y = -14

Divide each side by '2'.
y = -7

Simplifying
y = -7

See similar equations:

| x(x^2-3)=-2 | | -12x+yi=14+12i | | M=(z-2i)/(z-1-i) | | 25x^5+24y^2=600 | | 30x-56=63x+21 | | -9(x+4)=-5(x-4) | | -12-5t=t | | 96=2(-7x+6) | | 5x-3=-6x-58 | | 25x=x+26 | | 36x=288 | | 104=(3a+50) | | 3k-4+k=8+8k | | X-(-2)=9 | | X^2+5-130=0 | | 8p+6p-6=6p | | -3x-3y-3andy=-5x-17 | | x^3-3x=-2 | | 4d+6=46 | | 20x^2+18x-44=0 | | -2-8=4x+1-3x | | x^2/(x-1) | | 2(x)+2(3x)=96 | | 2x-y(5)=5 | | 12h=312 | | 25k^2-4((1-2k)x-2k)=0 | | 1/2x=-1 | | 11x-11=4x+8 | | 1+0=1 | | -10-(-35)=x/10 | | 5(1+4n)=-95 | | 3x/26-12 |

Equations solver categories