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ValentinkaMS [17]

3 years ago

6

2.3 +0.02(x + 20) - 4.8= -9

2 answers:

e-lub [12.9K]3 years ago

7 0

Answer:

x = -345

Step-by-step explanation

2.3 + .02x + .4 - 4.8 = -9

2.7 - 4.8 + .02x = -9

-2.1 + .02x = -9

.02x = 6.9

x = -6.9 / .02

x = -345

maria [59]3 years ago

6 0

Answer: x = -345

Step-by-step explanation:

2.3 + .02(x + 20) - 4.8 = -9

2.3 + (.02x + .4) - 4.8 = -9

-2.1 + .02x = -9

+2.1 +2.1

.02x = -6.9

.02/.02 -6.9/.02

x = -345

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