Question

solve the system by substitution.

$8x + 10y = 8$

$x = -y$

answer attempt 1 out of 2

(□, □) submit answer

Explanation:

Step1: Substitute $x=-y$ into first equation

$8(-y) + 10y = 8$

Step2: Simplify and solve for $y$

$-8y + 10y = 8$
$2y = 8$
$y = \frac{8}{2} = 4$

Step3: Find $x$ using $x=-y$

$x = -4$

Answer:

$(-4, 4)$