Math, asked by striveforexcellence, 1 year ago

(2x - 3) - 3/5 (3x - 7) = 1 ​

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Answered by arfa34
6
(2x-3)-3/5(3x-7)=1

(2x-3)-0.6(3x-7)=1

(2x-3)-1.8x+4.2=1

2x-3-1.8x+4.2=1

2x-1.8x-3= 1-4.2

0.2x=3.2+3

0.2x=6.2

x=31


striveforexcellence: answer given at Book is minus 1
Answered by sanyam3069
8

( 2x - 3) - 3 \div 5(3x - 7) = 1 \\  = 2x - 3 - (9 \div 5) + (21 \div 5) \\  = 2x - 3 + 12 \div 5 \\  = 2x - 3 \div 5 = 1 \\  = 2x = 1 + 3 \div 5 \\  = 2x = 8 \div 5  \\  = 4 \div 5 = x \\  \\ x = 0.8

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striveforexcellence: answer given in book is negative 1
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