5y+21=7y-1

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


Simplifying
5y + 21 = 7y + -1

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

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

Solving
21 + 5y = -1 + 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.
21 + 5y + -7y = -1 + 7y + -7y

Combine like terms: 5y + -7y = -2y
21 + -2y = -1 + 7y + -7y

Combine like terms: 7y + -7y = 0
21 + -2y = -1 + 0
21 + -2y = -1

Add '-21' to each side of the equation.
21 + -21 + -2y = -1 + -21

Combine like terms: 21 + -21 = 0
0 + -2y = -1 + -21
-2y = -1 + -21

Combine like terms: -1 + -21 = -22
-2y = -22

Divide each side by '-2'.
y = 11

Simplifying
y = 11

See similar equations:

| -4=-0.008x^3+0.224x^2-1.62x+5.4 | | 0=-0.008x^3+0.224x^2-1.62x+5.4 | | 36=4g | | 0.75x-7=2.80 | | 4(x+8)-2(x-5)=19+3x | | 4/3-3=1 | | 7=t/3 | | 4y+8x=8 | | 2(4+px)=12x | | 12/1x100 | | Y-7=-3(x+9) | | (1/12)x100 | | 7+4v=-5 | | 5x-9=15x+11 | | 0.2*40*x/1000 | | -23=-5+3y | | 4x-5=x-10 | | 6/5=k/4 | | 2u+3=-5 | | 0.02*119.98*50/1000 | | 57-u=292 | | -5-x=13 | | 4w-4=-32 | | 4/x-3=1 | | 2v-15=9 | | X-18=21 | | 6(4-7)= | | X=25/5 | | 0.02*119.98*x/1000 | | 6(3+t)-2(t+2)= | | m-(8-3m)= | | -12=6-9y |

Equations solver categories