The question is 7a +10 = 2a

asked Jul 5, 2016 69.6k views

3 votes

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5 votes

7a+10=2a
Subtract 7a from both sides.
10=-5a
Divide 10 by -5.
-2=a or a=-2

Diego Torres answered Jul 6, 2016

7.2k points

2 votes

7a + 10 = 2a subtract 2a from both sides
-2a -2a
5a + 10 = 0 subtract 10 from both sides
-10 -10
5a = -10 then divide both sides by 5
/5 /5
a = - 2

Arutha answered Jul 11, 2016

7.5k points

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