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Solnce55 [7]
2 years ago
8

Solve 3x - 5 + x = 31.

Mathematics
2 answers:
Sergio039 [100]2 years ago
8 0

Answer:

x=9

Step-by-step explanation:3x-5+x=31

3x+x=31+5

4x=36

x=36/4

x=9

Kaylis [27]2 years ago
6 0
Hey there!


• ORIGINAL EQUATION
3x - 5 + x = 31


• Conversion
3x - 5 + 1x = 31

• COMBINE the LIKE TERMS
4x - 5 = 31

• ADD 5 to BOTH SIDES
4x - 5 + 5 = 31 + 5
‣ CANCEL out: -5 + 5 because it give you 1
‣ KEEP: 31 + 5 because it help solve for the x-value

• NEW EQUATION
4x = 31 + 5

• SIMPLIFY IT!

4x = 36

• DIVIDE 4 to BOTH SIDES
4x/4 = 36/4
‣ CANCEL out: 4/4 because it give you 1
‣ KEEP: 36/4 because it help solve for the x-value

• NEW EQUATION
x = 36/4

• SIMPLIFY IT!

x = 9

Therefore, your answer is: x = 9



Good luck on your assignment & enjoy your day!



~Amphitrite1040:)

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