X + y = 20 Substitute
x by 2 y - 4 in x + y = 20 to obtain 2 y •
4 + y = 20 Solve for y to find y = 8 and
x = 2y - 4 = 12
N equals to 2 so 4 plus 2 is 6 and that is the answer!!
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Answer:
1.7 or 1 7/10
Step-by-step explanation:
Answer:
+10 or -10
Step-by-step explanation:
square root both sides
