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Mathematics
Martha Lozano
14 February, 13:08
What number solves this equation - 10=2a-4
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Cory Shepard
14 February, 16:31
0
Add 4 to both sides
-10 + 4 = 2a
Simplify - 10 + 4 to - 6
-6 = 2a
Divide both sides by 2
-6/2 = a
Simplify 6/2 to 3
-3 = a
Switch sides
a = - 3
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