3*21-12=3*21+(-12)

Simple and best practice solution for 3*21-12=3*21+(-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 3*21-12=3*21+(-12) equation: 


Simplifying
3 * 21 + -12 = 3 * 21 + (-12)

Multiply 3 * 21
63 + -12 = 3 * 21 + (-12)

Combine like terms: 63 + -12 = 51
51 = 3 * 21 + (-12)

Multiply 3 * 21
51 = 63 + (-12)
51 = 63 + -12

Combine like terms: 63 + -12 = 51
51 = 51

Add '-51' to each side of the equation.
51 + -51 = 51 + -51

Combine like terms: 51 + -51 = 0
0 = 51 + -51

Combine like terms: 51 + -51 = 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:

| 9c-6=-312 | | 175*4=20k | | 2x^2+10x^2=0 | | -1/5(25X-15Y) | | 20k=17*4 | | 3(x-1)+3x=4x-9 | | 3(x+5)+3x=39 | | 3d-8=-14 | | -32x+12=-66x-16 | | 6(x+3)12-12x= | | 3(6y+2w)= | | tan(x)=.49 | | 11/-8x=5/6 | | 4x+8=-16+4x | | 73-x=88-2x | | k+m-7=n | | 3w-9=8w+6 | | ((3-x)^2)/4=4 | | -4+yi=-12x-i+8 | | x(3-4x)=7+32-m(m) | | (x*40)+(1.5x*5)=75 | | -3c+2=-2c | | x-3.7=9.45 | | 4x-7=-29+x | | x=4x-156 | | (-5)^/(-5)^2 | | y=0.054x+1.27 | | 5z=14 | | 4d=-2d-6 | | 5a^2-6=-7a | | 6XSQUARED= | | 11m=22 |

Equations solver categories