Question

1" title=" \sqrt{7a - 10} - \sqrt{2a + 5} = 0" alt=" \sqrt{7a - 10} - \sqrt{2a + 5} = 0" align="absmiddle" class="latex-formula">
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Answer 1

Answer:

a=3

Step-by-step explanation:

$\sqrt{7a-10} =\sqrt{2a+5} \\squaring\\7a-10=2a+5\\7a-2a=5+10\\5a=15\\a=3$