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ivolga24 [154]
3 years ago
11

2x+3y=23 3x-y=7 Solve for x

Mathematics
1 answer:
NeTakaya3 years ago
5 0
2x + 3y = 23...........................(1)

3x  - y  =  7   Multiply by 3:-

9x - 3y = 21      Adding this to equation (1):-

11x = 44
x = 

Plug this into equation (1):-
2(4) + 3y = 23

3y = 15
y = 5

Answer is x = 4, y = 5

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Please solve these four equations a) x/3=x+4 b) m-3=4/5m-2 c) x/5-4=2-2x/5 d) 1/2+w=8-3w/2
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I hope these help you

A)

<span>x3</span>=<span>x+4</span>Step 1: Simplify both sides of the equation.<span><span><span>13</span>x</span>=<span>x+4</span></span>Step 2: Subtract x from both sides.<span><span><span><span>13</span>x</span>−x</span>=<span><span>x+4</span>−x</span></span><span><span><span><span>−2</span>3</span>x</span>=4</span>Step 3: Multiply both sides by 3/(-2).<span><span><span>(<span>3<span>−2</span></span>)</span>*<span>(<span><span><span>−2</span>3</span>x</span>)</span></span>=<span><span>(<span>3<span>−2</span></span>)</span>*<span>(4)</span></span></span><span>x=<span>−6</span></span>Answer:<span>x=<span>−6</span></span>

B)

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C)

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D)
 </span></span>
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4 0
3 years ago
HELP QUICK! worth extra points
Vikentia [17]

Answer: <em>3w+4b</em>

Step-by-step explanation:

<em>Take your given equation</em>

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