7(2y-5)=21y+7

Simple and best practice solution for 7(2y-5)=21y+7 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(2y-5)=21y+7 equation:


Simplifying
7(2y + -5) = 21y + 7

Reorder the terms:
7(-5 + 2y) = 21y + 7
(-5 * 7 + 2y * 7) = 21y + 7
(-35 + 14y) = 21y + 7

Reorder the terms:
-35 + 14y = 7 + 21y

Solving
-35 + 14y = 7 + 21y

Solving for variable 'y'.

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

Add '-21y' to each side of the equation.
-35 + 14y + -21y = 7 + 21y + -21y

Combine like terms: 14y + -21y = -7y
-35 + -7y = 7 + 21y + -21y

Combine like terms: 21y + -21y = 0
-35 + -7y = 7 + 0
-35 + -7y = 7

Add '35' to each side of the equation.
-35 + 35 + -7y = 7 + 35

Combine like terms: -35 + 35 = 0
0 + -7y = 7 + 35
-7y = 7 + 35

Combine like terms: 7 + 35 = 42
-7y = 42

Divide each side by '-7'.
y = -6

Simplifying
y = -6

See similar equations:

| 6(5k-8)20=11(2k-3)+3k | | 14y-2=72-y | | Y=1.10x+1200 | | 17+4r=-5(5-4r)-2r | | k=8k-28 | | -7x-3=18 | | 2(11x+4)=5x+42 | | 3x-2=4[4-x]+1 | | -1/2(1/4)+1/4= | | X-0.1=5 | | 2(m+3)=3(m-3) | | 5x-3x=6x | | 3x+(2x+1)+2(x+4)=37 | | x+x-13=87 | | 3x+(2x+1)+(2(x+4))=37 | | -(w+5)=-4 | | 3y+12-6y=-9 | | -4x+3=-14 | | -28=5x+1 | | 3n-15=8n+10 | | 15*2x=-23 | | 4(-5)+-125/7(33)+4(-5)= | | 3+1=x-2 | | -3+6x=-3 | | 100+10=15x | | m/3.7=-8 | | 5-3Z-18Z=Z-1+8Z | | 3(4x+6)+3= | | .333333(6-x)=-1 | | 6-2f=4f | | 0.25-0.75=-2.25+3.25 | | 3.50p+5.50+p=51 |

Equations solver categories