Question

Given RST~ ABC find value of x.

Answer 1

$x + 6 = 2x - 7$

subtract x to both sides

$6 = x - 7$

add 7 to both sides

$13 = x$

Check:

$x + 16$

$(13) + 6 = 19$

$2x - 7$

$2(13) - 7 = 26 - 7 = 19$

19=19