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Chapter 1: Q. 308 - Exercises (page 77)

In the following question, evaluate the expression.

-5y+14when (a)y=9(b)y=-9.

Short Answer

Expert verified

(a) -31when y=9

(b)59wheny=-9

Step by step solution

01

Step 1. Given information .

Consider the given expression-5y+14when (a)y=9, (b)y=-9.

02

Step 2. (a) Simplify the expression -5y+14 for y=9 .

Substitute the value of y in the given expression .

鈬�-5y+14鈬�-5脳9+14鈬�-45+14鈬�-31

The value of expression fory=9is-31.

03

Step 3. (b) Simplify the expression -5y+14 for y=-9 .

Substitute the value of y in the given expression .

鈬�-5y+14鈬�-5脳-9+14鈬�45+14鈬�59

Therefore the value of expression fory=-9is59.

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Most popular questions from this chapter

Translate from algebra into English:

a)19鈮�15b)7=12鈭�5c)15梅3<8d)y+3>6

1.2. Use the Language of Algebra

Simplify using the order of operations.

a)2+6脳3b)(2+6)脳3

Simplify:3x2+7x+9+7x2+9x+8

In the following exercise, multiply:13(-5)
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