So let's do that. x is equal to 9 minus 2 times y, 2 times 7. Or x is equal to 9 minus 14, or x is equal to negative 5. So we've just, using substitution, we've been able to find a pair of x and y points that satisfy these equations.

In detail, we can follow the following steps to solve systems of equations by substitution: Step 1: Simplify both equations if possible. This includes removing parentheses, combining like terms

Step 1 : First, solve one linear equation for y in terms of x . Step 2 : Then substitute that expression for y in the other linear equation. You'll get an equation in x . Step 3 : Solve this, and

Free system of equations substitution calculator - solve system of equations unsing substitution method step-by-step

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