Answer: the answer is x+2x+7= 43 and the number are 12 and
Step-by-step explanation: So the equation is basically explanitory and I got my answer my solving this equation
for elimination subtract as is y=-x+4 y=-2x-4 ------------- 0 = 1 x + 8 so x = -8 then get y = 8+4 = 12)
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