3 years ago

Use your knowledge about parentheses and substitution to solve the following:

Mathematics

2 answers:

SVETLANKA909090 [29]3 years ago

7 0

Answer:

3x+y

=−3

=−y+3

3x+y

3(−y+3)+y

−3y+9+y

−2y

=−3

=−12

Step-by-step explanation:

Hope this helps!

sergejj [24]3 years ago

4 0

Answer:

what grade you in

your answer 3x+y

Step-by-step explanation:

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