Jose simplified the expression using the following steps. (-3+6w) - 4(w + 10) + 3
Step 1:
(-3+6w) - 4w - 40+3
Step 2:
-3 +6w - 4w - 37
Step 3:
34 + 6w - 4w
Step 4:
2w 34
In which step did Jose make a mistake? Explain his mistake.

please help!:)

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?