28=y+21

Simple and best practice solution for 28=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 28=y+21 equation:


Simplifying
28 = y + 21

Reorder the terms:
28 = 21 + y

Solving
28 = 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.
28 + -1y = 21 + y + -1y

Combine like terms: y + -1y = 0
28 + -1y = 21 + 0
28 + -1y = 21

Add '-28' to each side of the equation.
28 + -28 + -1y = 21 + -28

Combine like terms: 28 + -28 = 0
0 + -1y = 21 + -28
-1y = 21 + -28

Combine like terms: 21 + -28 = -7
-1y = -7

Divide each side by '-1'.
y = 7

Simplifying
y = 7

See similar equations:

| -2x-18+33=-7 | | 12-2w=4 | | 2+-h=4 | | 3x[4x^2-3(x-3)]= | | 4x+2x+10=10x+4 | | 3x+13+14=180 | | 500+0.04x=720 | | -2v+4=-6 | | -5(x+6y)+6(3x+y)= | | 11-2t=9 | | 19=m+13 | | 2q-9=1 | | -25x-5=45 | | 9+-2v=15 | | 3tan^2x=sec^2x+5 | | 19x-5=166 | | 3x*4y/4x*3y | | Vf-1.45/2.75 | | q/3-3=1 | | 7n^2-112=0 | | 19z+22=402 | | 1+3k=16 | | 13x+12=272 | | 2v^2-8v-64=0 | | u+3.3=9.25 | | 21z-19=149 | | 2x+y=438 | | 21z-19=60 | | f(0)=6x^2+8x-4 | | 7x+18=60 | | P(d)=2d+13-6 | | x^3+6x^2-26x+1=0 |

Equations solver categories