Question

5(3a-4) = 7(6a+3)-11

Answer 1

Answer:

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Step-by-step explanation:

5 ( 3a - 4 ) = 7 ( 6a + 3 ) - 11

15 a - 15 = 42a - 11 + 21

-15 + 11 - 21 = 42 a - 15 a

-25 = 27 a

a = -27/ 25

Answer 2

15a-20 =42a+21-11

-20-21+11 = 42a-15a

-30= 27a

a= -30/27

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