Answer:
x = -9
y = 5
Step-by-step explanation:
<u> </u><u> </u><u>7y</u><u> </u><u>-</u><u> </u><u>2x</u><u> </u><u> </u><u>=</u><u> </u><u>5</u><u>3</u><u> </u> +
-6x = 54
x = -9
(-7y) - 4(-9) = 1
(-7y) + 36 = 1
-7y = -35
y = 5
Answer:
P = x + y + 7
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
5+20+15+18+20+19+12+16+10+15=150/10=15
Answer: 252
Step-by-step explanation: 21x-12=252