Method 2: Solving by Substitution. In solving by substitution, we transform a system of two linear equations into a single equation Please explain variable how to Example: 3x + 4y = -4 tay-a x + 2y = 2 Step 1: Pick one equation and isolate a variable -850 $ T Step 2: Substitute into the other equation Step 3: Solve the single variable equation Step 4: Substitute that solution into the equation ther variable -855)

Q: How can I check a solution to a system of equations using substitution?

A: Solve one of the equations for either x or y. Substitute the solution from step 1into the other…

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