Option C

<em><u>Solution:</u></em>

We have to solve for "x"
From given,

Solve for brackets
Use distributive property
a(b + c) = ab + ac
Therefore,

Combine the constants

Move the variables to left side of equation

Combine the like terms

Thus option C is correct
Answer:
0.8 or .8
Step-by-step explanation:
multiply the top and bottom by 10
so 8/10=80/100
to get the decimal form, just divide 8 by 10 and it should give you 0.8
Answer:
The ordered pair that satisfies the equation is (7, -1)
Step-by-step explanation:
In order to find this, we can solve by subtracting. Start by stacking the two equations on top of one another and subtracting like terms.
3x + 3y = 18
(-) 2x + 3y = 11
--------------------
x = 7
Now that we have the value for x, we can plug in to either equation to find y.
2x + 3y = 11
2(7) + 3y = 11
14 + 3y = 11
3y = -3
y = -1
17.82 / 18 = .99
.99 per yard!