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What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

What does x = in this equation x+3+2x=x+5

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?