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Allie Michael
Mathematics
7 September, 15:48
Solve : 5 (x + 2) = 3x + 5
+3
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Samantha
7 September, 16:06
0
Distribute (multiply) : 5x + 10 = 3x + 5; subtract 5 from both sides
5x + 5 = 3x; subtract 5x from both sides
5 = - 2x; divide both sides by - 2
-2.5 = x
Substitute to make sure it's right. 5 (-2.5 + 2) = 3 (-2.5) + 5
5 (-0.5) = - 7.5 + 5
-2.5 = - 2.5
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Slade
7 September, 16:10
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x = - 2.5
Step-by-step explanation:
5 (x+2) = 3x + 5
Distribute the 5 on the left side
5x + 10 = 3x + 5
Subtract 3x from both sides
2x + 10 = 5
Subtract 10 from both sides
2x = - 5
Divide by 2, in order to isolate x
x = - 2.5
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