Question

7. 12a +5-8a=-1 I do not know how to do it

Answer 1

Answer:

a=-3/2

Step-by-step explanation:

12a+5-8a=-1

12a-8a+5=-1

4a+5=-1

4a=-1-5

4a=-6

a=-6/4

simplify

a=-3/2

Answer 2

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

Exact Form:

a=−32

Decimal Form:

a=−1.5

Mixed Number Form:

a=−112

Step-by-step explanation:

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