1. Set up equations and solve the unknown number in the following cases:
(i) Subtracting 5 from three times a number yields 43. answer = 16 only give its formula
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Answer:
3x-5=43
3x=43+5
3x=48
x=48/3
x=16
Step-by-step explanation: When a number travels from one side of the = sign to the other, its sign changes. That is why, -5 became +5 when reached the other side. i.e from LHS TO RHS.
addition to subtraction
subtraction to addition
division to multiplication
multiplication to division
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