You are inversing for subtraction which is addition so D
Answer:
x = 10
y = 50
Step-by-step explanation:
9x - 70 = x + 10
8x - 70 = 10
8x = 80
x = 10
3y - 60 = 90
3y = 150
y = 50
Decide whether the statement is true or false. If false, provide a counterexample.
1. The equation 2x - 7 = 5 + x has exactly one solution TRUE
2. If x^2 = 16, then x must equal 8 or -8 TRUE
3. February 14 is Valentine's Day TRUE
4. If you visisted the Statue of Liberty, then you've been to New York TRUE
5. A point may lie on at most two lines FALSE A point may lie on more than zero to an infinite number of lines.
Write the converse and contropositive of each statement.
6. If you like tennis, then you play on the tennis team FALSE You don't have to. Haha.
7. If x is odd, then 2x is even TRUE
8. If m
50 minus 5 equals 45 hope this helped give me brainliest plz