Question

Exercise 9.3
1. Write algebraic equations for the following
mathematical statements and then solve them.
a. 8 subtracted from a number gives 21.
b. 11 added to a number gives 30.
c. A number multiplied by 8 gives -48.
d. A number divided by -3 gives -12.
e. 7 added to three times a number is 28.
f. 10 subtracted from 5 times a number gives 15.
g. A number divided by 2 and decreased by 3
gives 5.
h. When a number is subtracted from 16, the
result is 4.​

Answer 1

Answer:

$h)16 - x = 4 \\ - x = 4 - 16 \\ - x = - 12 \\ x = 12$

Step-by-step explanation:

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