Parentheses in an expression

Insert parentheses to apply:

1 2 3 4 = 5

Correct answer:

x = (1 + 2) * 3 - 4

Step-by-step explanation:

(1 + 2)   3  4 = 5 3   3  4 = 5 9  4 = 5 5 = 5  x=(1+2) 34



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