kvnnvdyems kvnnvdyems
  • 22-02-2021
  • Mathematics
contestada

Item 3
Solve for a.

a+(−4)=−13




a=−17

a=−9

a = 9

a = 17

Respuesta :

thebecks
thebecks thebecks
  • 22-02-2021

Answer:

a = -9

Step-by-step explanation:

a+(-4)=-13

add 4 to each side

a-4+4 = -13+4

a = -9

Answer Link
devishri1977
devishri1977 devishri1977
  • 22-02-2021

Answer:

a = - 9

Step-by-step explanation:

a  + (-4) = -13

Add  4 to both sides

a + (-4) + 4 = -13 + 4

       a + 0 = -9

        a = -9

When two numbers have different sign, subtract and the result will have the sign of the bigger number

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