Question

what should be multiplied with 4/63 to obtain-6/21​

Answer 1

Step-by-step explanation:

$(4 \div 63) \times x = ( - 6 \div 21) \\ x = ( - 6 \div 21) \times (63 \div 4) \\ x = ( - 6 \times 63 \div (21 \times 4) \\ = - 63 \div (7 \times 2) \\ = - 9 \div 2 \\ = - 4.5$