1) |x+y|+x = |2.8+3.9|+2.8 = |6.7|+2.8 = 6.7+2.8 = 9.2) |x+y|+x = |-4.5+7.2|+-4.5 = |2.7|+-4.5 = 2.7-4.5 = -1.3) |x+y|+x = |-2.3+(-6.2)|+-2.3 = |-8.5|+-2.3 = 8.5-2.3 = 6.4) |x+y|+x = |-1.8+2.39|+(-1.8) = |0.59|+(-1.8) = 0.59+(-1.8) = -1.21
1) |x+y|+x = |2.8+3.9|+2.8 = |6.7|+2.8 = 6.7+2.8 = 9.
2) |x+y|+x = |-4.5+7.2|+-4.5 = |2.7|+-4.5 = 2.7-4.5 = -1.
3) |x+y|+x = |-2.3+(-6.2)|+-2.3 = |-8.5|+-2.3 = 8.5-2.3 = 6.
4) |x+y|+x = |-1.8+2.39|+(-1.8) = |0.59|+(-1.8) = 0.59+(-1.8) = -1.21