Given the equation 4x 7 = 3(2x − 5), solve for the variable. Explain each step and justify your process.

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MarioHardacre509 MarioHardacre509

04-09-2015
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Given the equation 4x 7 = 3(2x − 5), solve for the variable. Explain each step and justify your process.

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What value of x makes the equation true ? 4(2x-4)=16

Cinnamon77 Cinnamon77 · Answer 1 · 2015-09-04T22:34:33+02:00

Cinnamon77 Cinnamon77

04-09-2015

Start with multiplying 4*7 to get 28
The equation simplifies to 28=3(2x-5)
Next, multiply the three into (2x-5), leaving the equation as 28=6x-15
After that, add fifteen to 28, getting 42=6x
Next, divide 42 by 6, getting x=7

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