Decide whether each equation is true for ALL values, ONE value or NO values ~See screenshot Please:)~ Thank you so much! Giving brainliest to first person to answer<3

Ashopper bought a watermelon a pack of napkins and some paper plates in his state there was no tax on food the tax rate on non-food items is 5% the total for the three items he bought was 825 before tags and he paid $0.19 in taxes how much did the watermelon cost

1.) 2x + y = 3 2.) x - 2y = -1 if equation 1 is multiplied by 2 and then the equations are added, the result is a.3x = 2 b.3x = 5 c.5x = 5

How are sas and sss used to show that two triangles are congruent?