Answer
Y=4
Step-by-step explanation:
3x4=12 12+16=28
7x4=28
Let's solve for x.<span><span><span>
4x</span>+y</span>=<span>−8</span></span>
Step 1: Add -y to both sides.<span><span><span><span>
4x</span>+y</span>+<span>−y</span></span>=<span><span>−8</span>+<span>−y</span></span></span><span><span>
4x</span>=<span><span>−y</span>−8</span></span>
Step 2: Divide both sides by 4.<span><span><span>
4x/</span>4</span>=<span><span><span>−y</span>−8/</span>4</span></span><span>
x=<span><span><span><span>−1/</span>4</span>y</span>−2</span></span>
Answer:<span>
x=<span><span><span><span>−1/</span>4</span>y</span>−<span>2</span></span></span>
Answer:
10/15 + 12/15
Step-by-step explanation:
The LCD would be 15 and whatever you do to the top you do to the bottom
Answer:
<em>(2.5, 3.75), or using fractions, (5/2, 15/4)</em>
Step-by-step explanation:
3x - 2y = 0
x + 2y = 10
Add the equations and solve for x.
4x = 10
x = 2.5
Substitute x = 2.5 in the first equation, and solve for y.
3(2.5) - 2y = 0
-2y = -7.5
y = 3.75