2y-21=9y-2

Simple and best practice solution for 2y-21=9y-2 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 2y-21=9y-2 equation:


Simplifying
2y + -21 = 9y + -2

Reorder the terms:
-21 + 2y = 9y + -2

Reorder the terms:
-21 + 2y = -2 + 9y

Solving
-21 + 2y = -2 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
-21 + 2y + -9y = -2 + 9y + -9y

Combine like terms: 2y + -9y = -7y
-21 + -7y = -2 + 9y + -9y

Combine like terms: 9y + -9y = 0
-21 + -7y = -2 + 0
-21 + -7y = -2

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

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

Combine like terms: -2 + 21 = 19
-7y = 19

Divide each side by '-7'.
y = -2.714285714

Simplifying
y = -2.714285714

See similar equations:

| 14=-2n-6(n-1) | | 2x+2+x=14 | | 6-(0.12+0.09+1.5)= | | 5(a-5)=-60 | | 51=3(5m+2) | | 6=-2(1+4b) | | 31=-2*12+(56) | | sqrt(3)/2=14/x | | 31=-2*12(56) | | y=(2x-1)/2 | | 5x^2+16=-42 | | 4(n-5)=50 | | 1.5x+2.25y=2925 | | 2(3X+2)=8(9-2X) | | .667x+6-.5x-4=4 | | 31=-5-12 | | 2y^2-y-5=1 | | =10d^2 | | (3x^2/1330)*x | | a/6=8/14 | | t-7= | | 4x/5-5x/5-8 | | 5x^2+16=-42x | | 1/3s-624 | | x^2(x-4)+15(x-4)=0 | | 1/14=1/7x^2-1/2x | | X/7-6=7 | | 7w-16=3(w-4) | | 8xy+3xy= | | y=-16x+9 | | Y=2x^3+5x^2-8x-15 | | x(x-10)-18(x+10)=0 |

Equations solver categories