12-_____=19;:
_____-(-5)=1;:
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12 minus minus 7 is equal to 19 . Minus and minus become plus so 12 +7 = 19
_4 _(_5)=1 because minus minus become plus so -4+5=1
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photosynthesis is the process by which plants use sunlight water and cardondioxde to form oxygen and energy in the form of sugar
thanks dear for your points
have a great day ahead
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