Question

7x + 2x + 4 = 20 _ 2x +5​

Answer 1

Step-by-step explanation:

$7x + 2x + 4 = 20 - 2x + 5 \\ 9x + 4 = 25 - 2x \\ 9x + 2x = 25 - 4 \\ 11x = 21 \\ x = \frac{21}{11}$

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Answer 2

Answer:

9x+4=25-2x

9x+2x+4=25

9x+2x=25-4

11x=21

x=21/11, 1.9090