Two-step equations - integers

Mathematics

2 answers:

Fudgin [204]2 years ago

5 0

Answer:

Question 1. -3 + v5 = 0

Work : -3 + 5v = 0

5v = 3 ( divide )

answer v = 3/5

Question 2. 1 - 7B = -20

work : -7b = -20 - 1

-7b = -21 ( divide )

answer b = 3

question 3 : -k - 5 = 0

work : -k = 5

answer : k = - 5

Question 4 : -1 + 8a = 129

work : 8a = 129 + 1

8a = 130 (divide )

answer a = 65/4

Step-by-step explanation:

Andrews [41]2 years ago

3 0

Question 1. -3 + v5 = 0
Work : -3 + 5v = 0
5v = 3 ( divide )
answer v = 3/5

Question 2. 1 - 7B = -20
work : -7b = -20 - 1
-7b = -21 ( divide )
answer b = 3

question 3 : -k - 5 = 0
work : -k = 5
answer : k = - 5

Question 4 : -1 + 8a = 129
work : 8a = 129 + 1
8a = 130 (divide )
answer a = 65/4

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Mr. Jackson is ordering kazoos for his second, third, and fourth grade music classes.

Alecsey [184]

Answer:

The boxes of kazoos Mr. Jackson needs to order (26 + 24 + 30) ÷ 8.

We have given that,

There are 26-second graders, 24 third graders, and 30 fourth graders.

What is the expression?

An expression, in math, is a sentence with a minimum of two numbers and at least one math operation contain in it.

The amount of kazoos needed is 1 for every student

26 + 24 + 30

Since 8 come in each box, you divide by 8