2 answers:
X + y = 6
x = y + 5
Since we already have x, we simply plug in the value of x into our given equation.
x + y = 6
(y + 5) + y = 6
So, our second answer choice is correct.
You always want to put parenthesis into equations so that you know what to do first, and to make everything look neater :)
I know you only asked for the first step, but I'm just going to answer the whole thing, so that you'll be able to understand this a little bit better.
(y + 5) + y = 6
Add like terms.
2y + 5 = 6
Subtract 5 from both sides.
2y = 6 - 5
Simplify.
2y = 1
Divide both sides by 2.
y = 1/2
And, remember, x was already given to us.
x = y + 5
So, once again, our answer is the SECOND answer choice.
~Hope I helped!~
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Answer:
Step-by-step explanation:
= x²(-3 +5) +y²(2 -3) +5xy -2y
= 2x² -y² +5xy -2y
a) there are 4 terms in the simplified expression
b) 2 terms have negative coefficients (-y² and -2y)
The equation is y = -x + 8
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X-1/8 b-1/8ay hopefully this helps