Question

Given: 3x+52=13 Prove: x = 7 write a two column proof

Answer 1

The answer x = 7 is false here is why.

$3x+52=13\Longrightarrow3x=-39$

This further simplifies to solution,

$x=-\dfrac{39}{3}\Longrightarrow\boxed{x=-13}$

Hope this helps.

r3t40