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Sveta_85 [38]
3 years ago
9

I am having troubles solving this 4(x+3)=x+42 can i get some help please.

Mathematics
2 answers:
Gnom [1K]3 years ago
8 0

<u>Given:</u>

\\ ⇢  \tt \: 4(x + 3) = x + 42 \\

<u>Solution:</u>

\\ ⇢  \tt \: 4(x + 3) = x + 42 \\  \\  \\  \tt⇢ 4x + 12 = x  + 42 \:  \:  \\  \\  \\  \tt \: ⇢4x - x = 42 - 12 \:  \\  \\  \\  \tt \: ⇢3x = 30 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \\  \tt \: ⇢x =  \frac{30}{3}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \\ \tt \:  \pink{ \pmb{ \mathfrak{⇢x = 10}}} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \\

<u>Verification:</u>

\\ ⇢  \tt \: 4(10+ 3) = 10+ 42 \\  \\  \\  \tt⇢ 40 + 12 = 10 + 42 \:  \:  \\  \\  \\  \tt \: ⇢52 = 52 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \\  \\   \: ⇢  \purple{ \pmb{ \bold{L.H.S = R.H.S}}}\\  \\  \\

  • <u>Hence Verified!</u>

dalvyx [7]3 years ago
7 0

Answer:

x=10

Step-by-step explanation:

Step 1: Multiply 4 with X and 3. You'll get 4x+12=x+42

Step 2: Keep the variable on one side and the number on the other side. you would subtract X and subtract 12. You'll get 3x=30

Step 3: Divide by the 3 on both sides and you'll get x=10

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