Question

15 (x
$15(x- 1) + 4(x + 3) = 2(7 + x)$

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Answer 1

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$\huge\bold\purple{ANSWER:}$

⏩ 15(x-1)+4(x+3)=2(7+x)

Remove the parentheses on both the sides...

☞ 15x -15 +4x +12= 14 +2x

Collect the like terms, calculate..

☞ 19x -3 = 14 +2x

Move the terms on both sides and change their signs...

☞ 19x -2x= 14 +3

Collect the like terms, calculate..

☞ 17x= 17

Divide both sides of the equation by 17

☞ x= 1

The required solution....

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Hope it helps...:-)

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