Solve the equation -2x = -3x + 14 Evaluate the expression x² - 3y + 12 for x and y = 5

Peter Leupold asked Feb 22, 2022

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13 votes

Solve the equation -2x = -3x + 14
Evaluate the expression x² - 3y + 12 for x and y = 5

Peter Leupold asked Feb 22, 2022

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15 votes

$\\ \sf\Rrightarrow -2x=-3x+14$

$\\ \sf\Rrightarrow -2x+3x=14$

$\\ \sf\Rrightarrow x=14$

$\\ \sf\Rrightarrow x^2-3y+12$

$\\ \sf\Rrightarrow 5^2-3(5)+12$

$\\ \sf\Rrightarrow 25-15+12$

$\\ \sf\Rrightarrow 10+12$

$\\ \sf\Rrightarrow 22$

Jmanrubia answered Feb 27, 2022

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