kellyleal kellyleal

26-04-2018
Mathematics

contestada

4a-2(a + 9) = 6 what is a?

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esmeyadi13 esmeyadi13

26-04-2018

4a-2(a + 9) = 6
4a-2a-18=6
2a-18=6
2a=24
a=12

Answer Link

26-04-2018

4a-2(a+9)=6
4a-2a-18=6 (distributive property)
2a-18=6 (combine like terms)
+18 +18
2a =24
2a=24
2 2
a=12

Answer Link

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