4(x+2)+5=21

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Solution for 4(x+2)+5=21 equation:



4(x+2)+5=21
We move all terms to the left:
4(x+2)+5-(21)=0
We add all the numbers together, and all the variables
4(x+2)-16=0
We multiply parentheses
4x+8-16=0
We add all the numbers together, and all the variables
4x-8=0
We move all terms containing x to the left, all other terms to the right
4x=8
x=8/4
x=2

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