Karin wants to use the distributive property to find the value of 19 • 42 + 19 • 58 mentally. Which expression can she use?
2 answers:
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<span>3x+4=y+5, then y+5=3x+4
It is called: reflexive property
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</span>
<span>x = y and y = 10, then x = 10
It is called: equality substitution property
</span>
It is called: reflexive property
-----------------------------
</span>
<span>x = y and y = 10, then x = 10
It is called: equality substitution property
</span>
Answer:
<h2>Step-by-step explanation:
When there is a (-) in front of an expression in parentheses, change the sign of each term in the expression:
Collect like terms
Calculate
Hope this helps...
Good luck on your assignment...