Answer:
function
Step-by-step explanation: A function is the one where you put an input to find x or y
Step-by-step explanation:
Substitute the y in the 1st equation with the 2nd equation.
7x + 10(2x + 9) = 36
7x + 20x + 90 = 36
27x + 90 = 36
3x + 10 = 4
3x = -6
x = -2
So now we can find y.
y = 2x + 9 = 2(-2) + 9 = (-4) + 9 = 5.
So x = -2, y = 5.
<span>Rewrite the subtraction as addition 3- (-10)
= 3 + 10</span>
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Add sides 9
Subtract sides 6z
Divide sides by 2
Thus ;
Done...
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Answer:
no
Step-by-step explanation: