Wayne is solving a system of linear equations.
y = −3/4x + 5
x = −2
to solve this system, he graphed the line y = −3/4x + 5y .
when wayne graphs the line x = −2, at which point will he find the solution of this system of linear equations? thnx

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?