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Algebra
Pregunta

14. During math class, Hallie created the followin...

14. During math class, Hallie created the following riddle to ask her father at dinner. I am thinking of a number such that \( 3 \) less than twice that number is the additive inverse of \( 7 \) . What is the number? Which inverse operations in the correct sequence will solve the riddle? A. Add \( 3 ; \) then multiply by \( 2 \) . B. Add 3; then divide by \( 2 \) . C. Multiply by \( \frac { 1 } { 2 } \) ; then subtract \( 3 . \) D. Multiply by \( \frac { 1 } { 2 } \) ; then divide by \( 3 \) . 

Answer

2x-3=-7

option b: add3 then divide by 2

2x=-4

x=-2

Solución
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