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Solve the system by substitution.minus, 4, x, plus, 8, y, equals, 40−4x+8y=40minus, 2, x, equals, y−2x=y

Question

Solve the system by substitution.minus, 4, x, plus, 8, y, equals, 40−4x+8y=40minus, 2, x, equals, y−2x=y
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Solution 1

Step 1: We have two equations here:

-4x + 8y = 40 -2x = y

Step 2: From the second equation, we can express y in terms of x:

y = -2x

Step 3: Substitute y = -2x into the first equation:

-4x + 8(-2x) = 40 -4x - 16x = 40 -20x = 40

Step 4: Solve for x:

x = 40 / -20 x = -2

Step 5: Substitute x = - Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.

Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI  is a powerful AI-powered study tool designed to help you to solve study problem.
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