if 9=2and 7=-3then find the value of 1.2x+5y 2.-3x+5y
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Step-by-step explanation:
if x=2 and y= -3
1.2× 2+5×-3
=4 -15
=-9
2. -3x+5y
=-3×3+5×-3
=-9-15
=-24
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