The product –2 • (–5) is shown on the number line. Use the drop-down menus to explain how the model on the number line could be used to find the answer. Starting at 0, move twice to the 5 spaces. 2 • –5= . Since –2 • (–5) is 2 • (–5), the number line shows the same distance to the of 0.

93.8

step-by-step explanation:

lets say, first number = x

second number = 3x+7

total = 49

(x)+(3x+7)= 49

4x+7 = 49

4x = 42

x = 42/4

x= 10.5

x= 10.5

3x+7 = 3(10.5)+7 = 93.8

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