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grandymaker [24]
3 years ago
11

10. -3.8x - 5.9x = 223.1

Mathematics
2 answers:
Tema [17]3 years ago
3 0

Answer:

-23

Step-by-step explanation: You have to combine like terms first:

-3.8x -5.9x                 =223.1

-9.7x                          = 223.1

Then divide om each side of the equation by -9.7.

-9.7x/-9.7                   = 223.1/-9.7

x                               =- 23

san4es73 [151]3 years ago
3 0

Answer:

x=-23

Step-by-step explanation:

-<u>3.8x</u>-<u>5.9x</u>=223.1

Collect like terms by calculating the sum or difference of their coefficients

(-3.8-5.9)x

calculate the difference

-<u>9.7x</u>=223.1

Divide both sides of the equation by -9.7

-9.7x÷(<u>-9.7</u>)=223.1÷(<u>-9.7</u>)

Any expression divided by itself equals 1

x=223.1÷(-9.7)

x=-23

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