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fgiga [73]
3 years ago
5

Solve 3x + 8 = x + 16

Mathematics
1 answer:
Nutka1998 [239]3 years ago
6 0

Answer:

x = 4

Step-by-step explanation:

Move all "x"s to one side of the equation:

(3x + 8) - x = (x + 16) - x

2x + 8 = 16

Subtract 8 from both sides so that all the numbers are on one side of the equation:

(2x + 8) - 8 = (16) - 8

2x = 8

Divide both sides of the equation by 2:

x = 4

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Answer:

x=60

Step-by-step explanation:

Simplifying

0.79x + 24 = 1.19x

Reorder the terms:

24 + 0.79x = 1.19x

Solving

24 + 0.79x = 1.19x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1.19x' to each side of the equation.

24 + 0.79x + -1.19x = 1.19x + -1.19x

Combine like terms: 0.79x + -1.19x = -0.4x

24 + -0.4x = 1.19x + -1.19x

Combine like terms: 1.19x + -1.19x = 0.00

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Add '-24' to each side of the equation.

24 + -24 + -0.4x = 0.00 + -24

Combine like terms: 24 + -24 = 0

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Combine like terms: 0.00 + -24 = -24

-0.4x = -24

Divide each side by '-0.4'.

x = 60

Simplifying

x = 60

8 0
4 years ago
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