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lora16 [44]
3 years ago
8

Activity B (continued from previous page)

Mathematics
1 answer:
Novay_Z [31]3 years ago
3 0

Answer:

A. (see Step-by-step explanation)

B. (-1, 4)

Step-by-step explanation:

<em>Since both functions are equal to </em><em>y</em><em>, we can set them equal to </em><u><em>each other.</em></u>

-x + 3 = 4x + 8

<em>Add the </em><em>x</em><em> to both sides (because it is negative on the left) and subtract the </em><em>8</em><em> from both sides (because it is positive on the right and we need to isolate the variable).</em>

-5 = 5x

<em>Divide both sides by 5 (because it is being multiplied to the </em><em>x</em><em>) to isolate </em><em>x</em><em>.</em>

x = -1

<em>Next, to solve for </em><em>y</em><em>, we can plug in </em><em>-1</em><em> for </em><em>x</em><em> in either equation from the beginning.</em>

y = -(-1) + 3

y = 1 + 3

y = 4

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