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02-04-2020
Mathematics

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Solve: -15b + 21 + 5b =-19

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wegnerkolmp2741o wegnerkolmp2741o

02-04-2020

Answer:

b = 4

Step-by-step explanation:

-15b + 21 + 5b =-19

Combine like terms

-15b +5b +21 = -19

-10b +21 = -19

Subtract 21 from each side

-10b +21 -21 = -19-21

-10b = -40

Divide each side by -10

-10b/-10 = -40/-10

b = 4

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