Solve each equation mentally and graph the number that is the solution of the given equation. (a) a + 7 = 11 (b) y - 8 = 2 (c) P/3 = 4 (d) 3m = 15 3.
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Answer:
(a) a+7=11
Step-by-step explanation:
a=11-7
a=4
(b)
y-8=2
y=2+8
y=10
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