7(x+3)=(7x+21)

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


Simplifying
7(x + 3) = (7x + 21)

Reorder the terms:
7(3 + x) = (7x + 21)
(3 * 7 + x * 7) = (7x + 21)
(21 + 7x) = (7x + 21)

Reorder the terms:
21 + 7x = (21 + 7x)

Remove parenthesis around (21 + 7x)
21 + 7x = 21 + 7x

Add '-21' to each side of the equation.
21 + -21 + 7x = 21 + -21 + 7x

Combine like terms: 21 + -21 = 0
0 + 7x = 21 + -21 + 7x
7x = 21 + -21 + 7x

Combine like terms: 21 + -21 = 0
7x = 0 + 7x
7x = 7x

Add '-7x' to each side of the equation.
7x + -7x = 7x + -7x

Combine like terms: 7x + -7x = 0
0 = 7x + -7x

Combine like terms: 7x + -7x = 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:

| -5x-115=67-12x | | 2a-3(4a+5)=-6(a-3)-1 | | 4x+15=34 | | -4(3-5x)=8 | | 7(2-3x)=5x | | x^2-4x+-14=0 | | 27.2m+15.7=-85.94+.8m | | 22.2m+15.7=-85.94+.8m | | 3(5X+2)=6 | | 22.2m+15.7=85.94+.8m | | -8y-5+3y=7+4y-9 | | 3(a-4)=7a-4 | | 20-3t=6t-8*2 | | 8z-2(2-z)=2 | | -x+7=15 | | x*10=110 | | 14-6b+7-2b=1+5b | | 5-(2x-1)=x | | 3I+4=4I-3 | | 4(x+3)-1=7 | | -4(w+5)+9=-31 | | 5(m-5)+5=40 | | n+9=3n+5*5 | | -12x+8y=36 | | 35.84=27.02+294.9*x-373.7x | | -1(2n+3)=2(-4-7) | | 20-2(2w+1)=5w-2(5+w) | | 0*3+4=0*2+3 | | n+9=3n+5*4 | | f/7-8=72 | | 8(t+2)-3(t-4)=6(t-7) | | 6-9x=26-23x |

Equations solver categories