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2x + 6y = 32 solve with substitution

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2 Answers

This is a linear equation.  The farthest you can get is to:
1) Divide both sides of the equation by 2, getting x + 3y = 16.
2) Subtract the y part, giving you x = 16 - 3y.
"Addition method" and "substitution method" are typical terms describing methods of solving sets of equations.  There is only one equation, and it cannot be "solved" by addition or substitution methods.