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3(y-1/7)-y =4(2-y) solve for y
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3(y-1/7)-y =4(2-y) solve for y

User Obaskly
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3(y - ¹/₇) - y = 4(2 - y)
3(y) + 3(⁻¹/₇) - y = 4(2) + 4(-y)
3y + (⁻³/₇) - y = 8 + (-4y)
3y - ³/₇ - y = 8 - 4y
3y - y - ³/₇ = 8 - 4y
2y - ³/₇ = 8 - 4y
+ 4y + 4y
6y - ³/₇ = 8
+ ³/₇ + ³/₇
 6y = 8³/₇
 6 6
 y = 1¹⁷/₄₂
User Cursorrux
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