Question

pls solve this with full explanation this is linear equation​

Answer 1

Answer:

( i ) p = 5

( ii ) m = -5

( iii ) a = -156

( iv ) p = 45

Step-by-step explanation:

( i )

( 35p + 5 ) / 12 = 15

[ cross multiply ]

35p + 5 = 180

35p = 175

p = 5

( ii )

48m + 36 = 6 ( 3m - 19 )

48m + 36 = 18m - 114

30m = -150

m = -5

( iii )

4 ( 5a + 16 ) = 16 ( a - 35 )

20a + 64 = 16a - 560

4a = -624

a = -156

( iv )

( 3p / 5 ) + ( 2p / 6 ) = 42

[ multiply the whole equation with 30 ]

( 30 ) ( 3p / 5 ) + ( 30 ) ( 2p / 6 ) = ( 30 ) ( 42 )

18p + 10p = 1280

28p = 1280

p = 45

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Answer 2

Answer:

i) 35p +5 /12 = 15

35p +5 = 12*15 = 180

35p= 175

p = 175 /35 = 5

ii) 48m +36 = 6( 3m-19)      or  8m +6 = 3m-19  ( on dividing b/s by 6)

5m = -25   or m= -5

iii) 4(5a+16 )= 16 (a-35)   or 5a+16 = 4(a-35)  ( dividing b/s by 4)

5a +16 = 4a-140   or a= -156

iv) 3p/5 +2p/6 =42

18p + 10p /30 = 42

28p = 30*42 = 1260

p = 1260/28 = 45

Step-by-step explanation: