Question

Help me with a two-column proof???

Answer 1

1) Given

Answer 2

that much u should be able to figure out :)

Answer 3

but proof writing is tricky :/

Answer 4

@ganeshie8 what about the others...

Answer 5

3 is substitution. Ur substituting those values on the line for those letters

Answer 6

Thanks.. 4?

Answer 7

4 should be commutative. Ur moving the 2x around so it can be combined with x. So u can combine like terms

Answer 8

5. Do u know what the opposite of addition is?

Answer 9

@nikato Subraction

Answer 10

Correct. So becuz u subtracted 3 on both sides in 5. U used subtraction property of equality

Answer 11

Also another name for it is converse of addition property of equality