how to solve equations for x and y in substitution
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Step-by-step explanation:
The first equation tells you how to express y in terms of x, so it makes sense to substitute 3x + 6 into the second equation for y. Substitute 3x + 6 for y into the second equation. Simplify and solve the equation for x. To find y, substitute this value for x back into one of the original equations.
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