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muminat
3 years ago
7

Enter the value for x that makes the equation 1/2 (4x+12)+5x=30 true.

Mathematics
1 answer:
8090 [49]3 years ago
8 0
First, distribute the (1/2) into (4x+12) by multiplying them.

The equation becomes:

2x + 6 + 5x = 30

On the left side, combine “like terms” through addition.

7x + 6 = 30

Subtract 6 from both sides:

7x = 24

Finally, get x alone by dividing both sides by 7:

x = 24/7, or if you wanted to round the decimal answer, it’s about 3.429.
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