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Alden Leonard
Mathematics
21 May, 07:40
Solve 1.2 (5-x) = 2 (1.4x+3)
+1
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1
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Julianna
21 May, 08:07
0
x = 0
Step-by-step explanation:
Solve for x:
1.2 (5 - x) = 2 (1.4 x + 3)
Expand out terms of the left hand side:
6 - 1.2 x = 2 (1.4 x + 3)
Expand out terms of the right hand side:
6 - 1.2 x = 2.8 x + 6
Subtract 2.8 x from both sides:
6 + (-1.2 x - 2.8 x) = (2.8 x - 2.8 x) + 6
-1.2 x - 2.8 x = - 4 x:
-4 x + 6 = (2.8 x - 2.8 x) + 6
2.8 x - 2.8 x = 0:
6 - 4 x = 6
Subtract 6 from both sides:
(6 - 6) - 4 x = 6 - 6
6 - 6 = 0:
-4 x = 6 - 6
6 - 6 = 0:
-4 x = 0
Divide both sides of - 4 x = 0 by - 4:
(-4 x) / (-4) = 0 / (-4)
(-4) / (-4) = 1:
x = 0 / (-4)
0 / (-4) = 0:
Answer: x = 0
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