1-(7 – 4x) = 9 Solve for x

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asked Apr 17, 2022 167k views

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1-(7 – 4x) = 9 Solve for x

Mathematics
college

AmyWuGo asked

by AmyWuGo

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2 Answers

7 votes

Answer:

15/4

Explanation:

Pankit Kapadia answered Apr 19, 2022

by Pankit Kapadia

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3 votes

Answer:

$1 - (7 - 4x) = 9 \\ 1 - 7 + 4x = 9 \\ - 6 + 4x = 9$

and 6 to either sides:

$( - 6 + 4x) + 6 = 9 + 6 \\ 4x = 15$

divide all sides by 4:

$(4x)/(4) = (15)/(4) \\ \\ { \underline{ \underline{x \: \: is \: \: (15)/(4) }}}$

Robik answered Apr 22, 2022

by Robik

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