x = 3.3
Work Step by Step
x +5.7=8.4 Subtract 5.7 from both sides x +5.7 -5.7=8.4 - 5.7 x= 3.3 The solution is 3.3 Check x+5.7 =8.4 Replace x with 3.3 3.3+5.7=8.4 8.4=8.4
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