Explanation:
Solve the equation :
-35 = 5 + 7(a + 2)
expand right side:
-35 = 5 + 7a + 14
subtract 19 from both sides:
-35 - 19 = 5 + 7a + 14 - 19
-54 = 7a
divide both sides by 7:
-54/7 = 7a/7
-54/7 = a
or
7.7143 = a
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