lrcjr777or8k5m lrcjr777or8k5m

12-06-2017
Mathematics

contestada

Solve for x.3(x + 2) + 4(x - 5) = 10

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hnav8120 hnav8120

12-06-2017

x = 3.428571429 is the answer that I got

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shadowflash shadowflash

12-06-2017

3(x + 2) + 4(x - 5) = 10
Distribute the outside numbers in.
(3x + 6) + (4x - 20) = 10
Combine like terms.
7x - 14 = 10
Isolate the 7x by adding 14 to both sides.
7x = 24
Divide by 7 on both sides to get x alone.
x = 3.42857

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