Simplify and find their values if a = -1, b = -2
2a-2b-4+a-7b-5
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Answer:
6
Step-by-step explanation:
it is given that a= -1 and b= -2
substitute this value in equation
2a-2b-4+a-7b-5
= 2×(-1)-2×(-2)-4+(-1)-7×(-2)-5
= -2+4-4-1+14-5
= -2-1+14-5
= -8+14
= 6
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