Question

2. Find the values of the following algebraic expressions
a. 7x – 3y +4 [x = 12, y = 3]
b. 8a÷4b [a=2, b=2]
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Answer 1

Answer:

b. 8×2÷4×2

=16÷8=2

A. 7×12-3×3+4

=84-9+4

=79....

Step-by-step explanation:

hope this helps you.....

Answer 2

Answer:

(i)7x+3y+4.(x=12 and y=3).

so,7(12)-3(3)+4.

=84-9+4.

=79.

(ii)8a/4b.(a=2 and b=2).

so,8(2)/4(2)

=16/8

=2.

the answer for a. is 79 and the answer for b. is 2.

i hope it helps you.

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