The values of x and y in the system of equations is given as y = 8x and y = 10x - 4 are 2 and 16
How to solve the system of equations by substitution?
The system of equations is given as
y = 8x
y = 10x - 4
Substitute 8x for y in the second equation i.e. y = 10x - 4
So, we have
8x = 10x - 4
Collect the like terms
8x -10x = -4
Evaluate the like terms
-2x = -4
Divide both sides of the equation by -2
x = 2
Substitute 2 for x in the equation y = 8x
y = 8 * 2
Evaluate the product
y = 16
Hence, the values of x and y in the system of equations is given as y = 8x and y = 10x - 4 are 2 and 16
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