21=7(-3+6)

Simple and best practice solution for 21=7(-3+6) 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=7(-3+6) equation:


Simplifying
21 = 7(-3 + 6)

Combine like terms: -3 + 6 = 3
21 = 7(3)

Multiply 7 * 3
21 = 21

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

Combine like terms: 21 + -21 = 0
0 = 21 + -21

Combine like terms: 21 + -21 = 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:

| 2y+4x=3 | | 4x^3+10x^2+5x+2=0 | | 25y-6y=76 | | 2x+4=3(x-7) | | M-200=100 | | 3y-10x=67 | | 55m-4=-6(m+2) | | .8b+1.9=5.5-.4b | | 5(-2+2)=3(-4+6) | | 10=6x-2x-8 | | -35=x-18 | | .8b+1.9=5.5-4b | | 2x+x+30=90 | | -35=x+18 | | 4x+4=-20-2x | | 3/5--2/5= | | 60+p=70 | | 6s-4=-20 | | y=3/4*3+1 | | 4a+1-8a=9 | | 8mn-5m= | | 3l+y=5+5l | | 88-8m=8m+88 | | -16.5h+9.25h=21.75 | | -13y-34y= | | y=3/4(3)+1 | | 2m+3m-6=7m-34 | | 46+y=136 | | 14mn-19mn= | | 3x=7y-2 | | 4y-15y=22 | | 10y^2+28y-5=0 |

Equations solver categories