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What is the value of x + 5 if x = 10?
2. What is the value of 5 - if x = 1
3. Find the value of 4x2 + 3 if x = 3
Find the value of x'- 3x - 4 if x = -2
3x+2
5. Evaluate
if x = 1, y = -1
5y-3​