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Write an equivalent expression for 8(3+5x)+7x+4 if x=3 is the solution to both expressions the same(show work and you)

User Mightypile
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2 Answers

5 votes

Answer:89

Step-by-step explanation:8(3+5)+7×3+4

User Jegan
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7.4k points
3 votes

Answer:

47x + 28

Explanation:

8(3 + 5x) + 7x + 4

24 + 40x + 7x + 4

47x + 28

8(3 + 5(3)) + 7(3) + 4

8(18) + 21 + 4

144 + 25

169

47(3) + 28

141 - 28

169

169 = 169

True

User Jantursky
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8.4k points