Question

solve and verify 4x - 8 = x + 7
please give a solution also

Answer 1

Hi friend...

4x-x = 7+8
3x=15
x=15/3
x=5

The solution is 5.

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Answer 2

hey....

$4x - 8 = x + 7 \\ 4x - x = 7 + 8 \\ 3x = 15 \\ x = \frac{15}{3} \\ x = 5 \\ \\ now \: by \: putting \: the \: vlue \: of \: x \\ 4 \times 5 - 8 = 5 + 7 \\ 20 - 8 = 12 \\ 12 = 12 \\ satisied$