sa6maftimariana sa6maftimariana

10-06-2016
Mathematics

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What is the value of a if (2a +3) - (4a-8)= 7

Respuesta :

Kunchan Kunchan

10-06-2016

( 2a + 3 ) - ( 4a - 8 ) = 7
2a + 3 - 4a + 8 = 7
-2a + 11 = 7
-2a = -4
a = -4 / -2
a = 2

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