Asked by Anon
Use substitution to solve the system of equations given below.
8x - 4y = 16
2x - y = 4
8x - 4y = 16
2x - y = 4
Answers
Answered by
PsyDAG
2x - y = 4
Subtract 4 and add y to both sides of the above equation.
y = 2x -4
8x - 4y = 16
Substitute 2x-4 for y in last equation and solve for x. Insert that value into the first equation and solve for y. Check by inserting both values into the second equation.
Subtract 4 and add y to both sides of the above equation.
y = 2x -4
8x - 4y = 16
Substitute 2x-4 for y in last equation and solve for x. Insert that value into the first equation and solve for y. Check by inserting both values into the second equation.
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