Answer:
x=3
Step-by-step explanation:
Based on the given conditions, formulate: x = 4 \times 12 \div ( 4 + 12 )
Calculate the product or quotient:x = \dfrac{48}{4 + 12}
Calculate the sum or difference:x = \dfrac{48}{16}
Cross out the common factor:x = 3
get the result:x = 3