A+2b=4 and 2a-4b =8 what is a and b
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Step-by-step explanation:
A+2b =4
Multiplying by 2
2A +2b=8
(-)2A - 4b=8
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6b = 0
b=0
A +2b =4
A+2×0=4
A+0=4
A=4
a=4
b=0
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