the sum of a number and 7 is X for the results is equal to -12 the value of the number is 4 -10 -4 10

Pjgearing asked Jan 8, 2023

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Pjgearing asked Jan 8, 2023

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13 votes

$\begin{gathered} 4(x+7)=-12 \\ \text{hence} \\ x+7=(-12)/(4) \\ x+7=-3 \\ x=-3-7 \\ x=-10 \end{gathered}$

Brian Murphy answered Jan 14, 2023

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