On question three . also give explanation you so much.

Let the number be x.

double it and add 5
⇒ 2x + 5

The result is 1 less than the number she thought of
⇒ x - 1

Construct the equation to solve for x:
2x + 5 = x - 1 
x + 5 = -1           // Take away x from both sides
x = -6                // Take away 6 from both sides


Answer : The number Tui first thought of is -6.

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Do the math. she originally had 50 dollars on her gift card and she had 12 dollars left on her gift card after she finished her shopping spree. if you subtract 50 minus 12 you get thirty eight dollars as your answer. so therefore, ciara spent 38 dollars total o