A would be the correct answer because the y variable only has a coefficient of 1. So we would solve for y, which would get us y=3x+5, then we would substitute the value in the second equation which would look like -4x+5(3x+5)=58. Hope this helpss. :)
You use distributive property to distribute the numbers out.
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This answer seems to be C
You earn $15.00 for mowing one lawn.
15*7=105
You earn $105.00 for mowing 7 lawns.
