josiahsamuels8 josiahsamuels8

04-12-2018
Mathematics

contestada

Solve each equation. Check your solution.

7a+10=2a

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

04-12-2018

Answer:

a = -2

Step-by-step explanation:

7a + 10 = 2a

subtract 7a from each side

7a-7a+10 = 2a-7a

10 = -5a

divide by -5

10/-5 = -5a/-5

-2 = a

check

7 (-2) +10 = 2(-2)

-14 + 10 = -4

-4 = -4

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