21+-3 so 18 to 24 is the answer
Answer:
Step-by-step explanation:
x - 3y + 8x - 7y = 5 + 6
9x - 10y = 11
9x - 10y + 10y = 11 + 10y
9x = 11 + 10y
9x ÷ 9 = 11 + 10y ÷ 9
Step-by-step explanation:
<h2>-20 is the right answer.</h2>
Multiply the left and right side by 7 to get rid of the denominator, leaving you with 6x=-84. Then divide, x=-84/6, x=-14!