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julia-pushkina [17]
2 years ago
11

9. Simplify the expression: 4a + 8 - 2a – 4 + 7b.

Mathematics
1 answer:
nikdorinn [45]2 years ago
8 0

Answer:

2a + 7b + 4

Step-by-step explanation:

4a + 8 - 2a - 4 + 7b

<u><em>Group like terms</em></u>

4a - 2a + 7b + 8 - 4

<u><em>Add similar elements (4a - 2a)</em></u>

2a + 7b + 8 - 4

<u><em>Add/Subtract (8 - 4)</em></u>

2a + 7b + 4

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