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Mathematics
Gabriel Armstrong
8 February, 22:40
3) 15 - 7x = 2 + 3 (1 - 3x)
+5
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2
)
Corey
9 February, 01:12
0
x=-5
Step-by-step explanation:
15-7x=2+3 (1-3x)
1) Distribute the 3 to 1 and - 3x:
15-7x=2+3-9x
2) Add 9x to both sides:
15+2x=5
3) Subtract 15 from both sides:
2x=-10
4) Divide both sides by 2:
x=-5
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Shannon Ewing
9 February, 01:53
0
x=-5
Step-by-step explanation:
15-7x=2+3 (1-3x)
1) Distribute the 3 to 1 and - 3x:
15-7x=2+3-9x
2) Add 9x to both sides:
15+2x=5
3) Subtract 15 from both sides:
2x=-10
4) Divide both sides by 2:
x=-5
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Link
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