7 is taken away from a, 2 times a divided by 3 times b, half of sum of a and b, 3 multipled by a is increased by 10 time, one third of x is multiplied by sum of y and z, write the following algebraic expression using sign and symbol
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Step-by-step explanation:
a-7. (1)
3b/2a. (2)
a+b/2. (3)
30a. (4)
x/3 . y+z. (5)
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