3 years ago

-3а- 8+2а = 13 How do you solve this (like terms)

Mathematics

2 answers:

azamat3 years ago

3 0

Combine -3a+2a which = -a-8=13 then +8, which is -a=21

Dmitry_Shevchenko [17]3 years ago

3 0

Answer:

a = -21

Step-by-step explanation:

-3a +2a -8 = 13

- a-8 = 13

-a -8 -13 = 0 ( the sign changes from +13 to -13 )

-8 -13 = a ( the sign of a changes from -a to + a ) -21 = a

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