AnswersSC-Mathematics 6Solving One-Step Equations: Addition and Subtraction

Solving One-Step Equations: Multiplication and Division Answers

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1
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What is the solution to the equation ?

Question illustration
A
t minus 15 = 76. t minus 15 minus 15 = 76 + 15. t = 91.
Option A
B
t minus 15 = 76. t minus 15 + 15 = 76 + 15. t = 91.
Option B
C
t minus 15 = 76. t minus 15 minus 15 = 76 minus 15. t = 61.
Option C
D
t minus 15 = 76. t minus 15 + 15 = 76 minus 15. t = 61.
Option D
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Which equation and solution can be used to solve this problem?Thirteen less than a number is sixteen.

A
: Add 13 to both sides. The answer is 29.
Option A
B
: Subtract 13 from both sides. The answer is 3.
Option B
C
: Subtract 13 from both sides. The answer is 3.
Option C
D
: Add 13 to both sides. The answer is 29.
Option D
3

Which equation can be used to solve for the unknown number?Seven less than a number is thirteen.

A
n minus 7 = 13
Option A
B
7 minus n = 13
Option B
C
n + 7 = 13
Option C
D
n + 13 = 7
Option D
4

Juan told Sylvia he got a $0.50 raise this week and his new hourly rate will be $10.25 an hour. Sylvia wants to know what Juan’s hourly rate was before his raise. Which equation and solution can be used to solve this problem?

A
: Add 10.25 to both sides. The answer is $10.75.
Option A
B
: Subtract .50 from both sides. The answer is $9.75.
Option B
C
: Subtract .50 from both sides. The answer is $10.75
Option C
D
: Subtract .50 from both sides. The answer is $9.75.
Option D
5

The difference between 32.6 and a number is 10.2. Which equation can be used to solve this problem?

A
32.6 minus y = 10.2
Option A
B
y minus 36.2 = 10.2
Option B
C
10.2 minus y = 32.6
Option C
D
y + 32.6 = 10.2
Option D

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