Answer:
-7
Explanation:
7(p+3) = -28
Divide by 7
7(p+3) / 7 = -28 / 7
p+3 = -4
Subtract 3
p+3 (-3) = -4 (-3)
P = -7
p = -7
now we times the inside of the parenthese by 7
7p+21 =-28
now we minus 21 on both sides
7p= -49
now divide
p = - 7
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