5(y+3)=7y+21

Simple and best practice solution for 5(y+3)=7y+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 5(y+3)=7y+21 equation:


Simplifying
5(y + 3) = 7y + 21

Reorder the terms:
5(3 + y) = 7y + 21
(3 * 5 + y * 5) = 7y + 21
(15 + 5y) = 7y + 21

Reorder the terms:
15 + 5y = 21 + 7y

Solving
15 + 5y = 21 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
15 + 5y + -7y = 21 + 7y + -7y

Combine like terms: 5y + -7y = -2y
15 + -2y = 21 + 7y + -7y

Combine like terms: 7y + -7y = 0
15 + -2y = 21 + 0
15 + -2y = 21

Add '-15' to each side of the equation.
15 + -15 + -2y = 21 + -15

Combine like terms: 15 + -15 = 0
0 + -2y = 21 + -15
-2y = 21 + -15

Combine like terms: 21 + -15 = 6
-2y = 6

Divide each side by '-2'.
y = -3

Simplifying
y = -3

See similar equations:

| 3+3(3x-3)=21 | | x/0,2=18 | | -2(-4-6y)+7(-y+5)=-8 | | 4/b=92 | | 8a+3-13a=3a+27 | | 4/b=48 | | 13t+6+2t=12 | | X^4+3x^3-11x^2-9x+18=0 | | 15m+11=12m+8 | | -23x-(-35x)= | | 1*d=2.7*3.8 | | 9V-45=9V | | S=(4) | | -6(1-4w)=-18 | | 6(1+-4w)=-19 | | 2.5(2)=y+.25(2y-2.5) | | 1/7x-2=11 | | 3/4a-2=8 | | -6(1-4w)=-19 | | n^2+7n=78 | | 0.4x-1.4=-9.4 | | w-6w^1/2-27=0 | | -113-5x=-12x+83 | | 80-k=2k | | 33=1+8v | | 45Y^3=50Y^2 | | x^4-6x^3+7x^2-2=0 | | 3/8a-2=13 | | 49c^6-4m^2= | | X^2+12x=4x+9 | | 7b-9=5+3a | | 2y-5x=24 |

Equations solver categories