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kolezko [41]
3 years ago
8

Use an addition property to solve for a. 10 + (–15) = –15 + a

Mathematics
2 answers:
Rudiy273 years ago
7 0

Hi there!

Answer:

<u><em>a=10 and 10=a</em></u>

Step-by-step explanation:

Addition property of equality is adding the same number to both sides of an equation does not change the equation.

switch sides.

-15+a=10-15

subtract by the numbers. subtract it's should be the found in the difference between the numbers, fractions, and spent.

10-15=-5

-15+a=-5

add 15 both sides of an equation.

-15+a+15=-5+15

simplify.

-5+15=10

15-5=10

10+5=15

15-5=10

a=10 and 10=a

Hope this helps!

-Charlie

Have a great day!


swat323 years ago
5 0

10-15=-15+a

+15      +15

10=a

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