Question

-7x = 21 and check answer

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Answer 1

-7x = 21

x = 21/ -7

x = -21/7

x = -3

Answer 2

$\huge \underline \red{Solution}$

$- 7 x = \: 21$

$- x = 21 \div 7$

$-x = 3$

$x = - 3$

$\huge \underline \red{Check}$

PUTTING THE VALUE OF X = -3

$- 7 \times - 3 = 21$

$21 = 21$

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