2 years ago

Solve using Combining Like Terms (CLT) 7 + 4d + 5d = 7d + 3

Mathematics

1 answer:

Vesnalui [34]2 years ago

3 0

Answer:

d= -2

Step-by-step explanation:

7 + 4d + 5d = 7d + 3

Combine like terms

7+9d = 7d+3

Subtract 7d from each side

7+9d-7d = 7d-7d+3

2d +7 = 3

Subtract 7 from each side

2d+7-7 = 3-7

2d = -4

Divide each side by 2

2d/2 = -4/2

d = -2

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