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olya-2409 [2.1K]

2 years ago

7

Evaluate the expression 15x + 4 for x = -1 1/2

1 answer:

Masja [62]2 years ago

4 0

Answer:

-149 /4

Step-by-step explanation:

x = -11/ 2

15x + 4

15 × -11/4 + 4

-165 / 4 +4

-165 / 4 + 4×4/4 ( taking lcm )

(-165 + 16 ) / 4

-149 /4

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