Calculate 2(4x+3)/5 - 6(x-2)/2 = 1/2
2 answers:
( 8x + 6 ) / 5 - ( 6x - 12 ) / 2 = 1 / 2 ; ( 16x + 12 ) / 10 - ( 30x - 60 ) / 10 = 5 / 10 ; 16x + 12 - 30x + 60 = 5 ; - 14x + 72 = 5 ; - 14x = - 67 ; x = 67 / 14 = 4.78 ;
Multiply both sdies by 10 to get rid of the fractions 20(4x+3)/5-60(x-2)/2=5 4(4x+3)-30(x-2)=5 distribute 16x+12-30x+60=5 add like terms -14x+72=5 subtract 72 from both sdies -14x=-67 multiplyh -1 14x=67 divide both sdies by 14 x=67/14
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