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Matthew Soto
Mathematics
16 May, 16:52
Solve 15x+20-10x-9=25x+8-21x-7
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Mohammed James
16 May, 17:01
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X=-10
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Rebecca Davies
16 May, 17:16
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Step-by-step explanation:
15x+20-10x-9=25x+8-21x-7
5x + 11 = 4x + 1
Collecting like terms
5x - 4x = 1 - 11
x = - 10
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