Express the following to mathematical symbol with solutions
1.Zab is x years old now. what his age 7 years from now?
2.joan is twice as old her sister now.what is her age 6 years ago?
3.his income is 7X+6 every day. what is his total incocm in x days?
1.Zab is x years old now. what his age 7 years from now?
2.joan is twice as old her sister now.what is her age 6 years ago?
3.his income is 7X+6 every day. what is his total incocm in x days?
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Answer:
1. x+7
2. 2x-6
3. x(7x+6)
thats what I think Im not pretty sure about no. 3 though