4 years ago

3.) a + 40 = 0 What is the value of a? a =

Mathematics

2 answers:

Rus_ich [418]4 years ago

3 0

Answer:

a= -40

Step-by-step explanation:

Dmitry [639]4 years ago

3 0

Answer:

a = - 40

Step-by-step explanation:

a+40=0

First way:

Transpose 40 to the other side (to isolate a) - when transposing signs change ( from positive to negative)

Second way:

Subtract both side what 40 (to cancel 40 and isolate a)

* you have to always isolate variables

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