Y - x = 2
y = -1/4x + 7

(In this problem, n/mx means

y - x = 2

y = 2 + x

Substitute this into the other equation.

2 + x = -1/4x + 7

Convert all x to mixed numbers.

2 + 4/4x = -1/4x + 7

Bring x's to one side, and other terms to the other side.

5/4x = 5

Multiply by 4 to cancel the fraction

5x = 20

Divide by 5.

x = 4

Substitute into an equation.

y = -1/4(4) + 7

y = -1 + 7

y = 6

The point when you apply substitution is (4, 6)

⭐ Answered by Hyperrspace (Ace) ⭐

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yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

300pi

step-by-step explanation: