Answer:
Step-by-step explanation:
this is an isosceles triangle... meaning that the two base angles will be equal.
180 - 38 = 142
142 / 2 = 71
x = 71
Answer: the answer is -16x+7y+4z
Step-by-step explanation:
Answer: correct
Step-by-step explanation: if you distribute the 9 to the 2+x you’d get two factors 18 and 9x