Write a number so that the equation will have an infinite number of solutions

3x+5=3x

State if the two triangles are congruent. if they are, state how you know?

10% of 1,900,000. show me how you got the answer

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day