3 years ago

HELP ME PLEASE!!!!!!!!!!4(a+2)=8+4a

Mathematics

2 answers:

user100 [1]3 years ago

4 0

All real numbers are correct! Hope that helps.

Natasha2012 [34]3 years ago

4 0

Answer:

a can be anything. There are infinite solutions.

Step-by-step explanation:

$4(a+2)=8+4a$

Expand:

$4a+4\times\:2=8+4a$

$4a+8=8+4a$

Subtract 8 from both sides:

$4a+8-8=8+4a-8$

$4a=4a$

Subtract 4a from both sides:

$4a-4a=4a-4a$

$0=0$

Since both sides are equal, a has infinite solutions as no matter what value it is, it will not affect the end result of $0=0$ which is true.

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