21+19=28+12

Simple and best practice solution for 21+19=28+12 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 21+19=28+12 equation: 


Simplifying
21 + 19 = 28 + 12

Combine like terms: 21 + 19 = 40
40 = 28 + 12

Combine like terms: 28 + 12 = 40
40 = 40

Add '-40' to each side of the equation.
40 + -40 = 40 + -40

Combine like terms: 40 + -40 = 0
0 = 40 + -40

Combine like terms: 40 + -40 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

See similar equations:

| x+x*3=680 | | 90+88+98-360= | | 14165-5429=x | | R^2-4R=45 | | x+x+3307=14165 | | 7x+5-9x=12-17x+15x-7 | | 2.6+3.2r=-39 | | 2220+45x=1850+65x | | 7y+5=2y+60 | | 2w+2(x+3)=54 | | -34+4x+14=2x+2 | | 4x^3+5x^2-38x+25=0 | | 17+2=.5h | | 11.1n^2-27.5n+99= | | 4x^3+5x^2-38+25=0 | | 17+2=.5 | | 4x^2+5x+23=0 | | 4x^2+8x+14=0 | | -5+7y=43-4 | | ex=-6x | | y-4+2(58.5+-0.5y)=113 | | 2(x+7)=x-3 | | 5(x+3)=5x-11 | | 100-(-100)=0 | | 52+21t=10 | | 4x+2=3x+x+2 | | -4+15+(-10)-1= | | y-4+2x=113 | | 20+2x+4=x+16 | | x-4+2y=113 | | -5+17-(-8)+(-2)= | | .15x+.6=63 |

Equations solver categories