kvnnvdyems kvnnvdyems

22-02-2021
Mathematics

contestada

Item 3
Solve for a.

a+(−4)=−13

a=−17

a=−9

a = 9

a = 17

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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

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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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