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9+5(4x+4) what's the answer

Sagot :

20x+29  Parenthesis are supposed to be solved first, but due to the variable (x) i multiplied 5 (distributive property) leaving the 9 alone ... you just add it to the equation .....which you can't find x because you don't know what the whole equation equals to.
9 + 5(4x + 4)
9 + 5(4x) + 5(4)
9 + 20x + 20
9 + 20 + 20x
29 + 20x