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3a + 4a +/- 6; take the 3a & 4a and combine them; 7a +/- 6 would be your answer as 6 cannot combine with 7a due to the variable. If 7a +/- 6 = 0, then subtract/add (respectively) the 6 depending on the operation. Therefore 7a + 6 = 0 turns to 7a = -6. Divide the 7 with the -6 to get the a alone; a = -6/7 or -0.8. Cannot be simplified.
it means to solve an problemEx.evaluate5+6=A:11so evaluate means to solve a problem
The word evaluate simply means 'find the value of...' For example, if asked to evaluate 23x4, the answer is 92.
It is: 7a/5xy
The relevant expression is 7a.