2y+18=y+21

Simple and best practice solution for 2y+18=y+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 2y+18=y+21 equation:


Simplifying
2y + 18 = y + 21

Reorder the terms:
18 + 2y = y + 21

Reorder the terms:
18 + 2y = 21 + y

Solving
18 + 2y = 21 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
18 + 2y + -1y = 21 + y + -1y

Combine like terms: 2y + -1y = 1y
18 + 1y = 21 + y + -1y

Combine like terms: y + -1y = 0
18 + 1y = 21 + 0
18 + 1y = 21

Add '-18' to each side of the equation.
18 + -18 + 1y = 21 + -18

Combine like terms: 18 + -18 = 0
0 + 1y = 21 + -18
1y = 21 + -18

Combine like terms: 21 + -18 = 3
1y = 3

Divide each side by '1'.
y = 3

Simplifying
y = 3

See similar equations:

| 2x+4x+5x+7x=36 | | 2x-9y=9 | | 4x+2=4x+14 | | (-7)+x=(-5) | | (-4)+q=(-3) | | -3(2x-6)-2(x-4)= | | 3+6(x-1)=4-3(x-2) | | (-3)=(-6)-n | | (-5)=(-3)-n | | -3=2x+2 | | (-4)-s= | | -4+(-6)=x | | 11k-23=12k+5 | | 2(x-4)-5(x+3)= | | 13m^2+3m=0 | | x^3-6x-7=0 | | 12d+4=8d+16 | | 7x-2(1-x)=3(x-1) | | 3x^3+12x^2+3x-18=0 | | 5x-18=6x+4 | | logx+logx-3=1 | | 4x+1.0=2x | | 3x+0.1=x | | -10p-10=-10(-p+6)-2(3-4p) | | 3x^2-29x=0 | | -2+3(2x-7)=7x-4(x-4) | | -61=-(5p+5)+6(5+8p) | | x+9+4x=24 | | 3+6x=39 | | 3xy+8xy=12 | | (3u-4)(2-u)=0 | | -0.8(-0.09n-22m)= |

Equations solver categories