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Mathematics
Ruth Berg
22 October, 20:53
How do u solve 4p - 40 = 7 (-2p + 2) ?
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Patience Paul
22 October, 21:54
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Simplifying
4p + - 40 = 7 (2p + 2)
Reorder the terms:
-40 + 4p = 7 (2p + 2)
Reorder the terms:
-40 + 4p = 7 (2 + 2p)
-40 + 4p = (2 * 7 + 2p * 7)
-40 + 4p = (14 + 14p)
Solving
-40 + 4p = 14 + 14p
Solving for variable 'p'.
Move all terms containing p to the left, all other terms to the right.
Add '-14p' to each side of the equation.
-40 + 4p + - 14p = 14 + 14p + - 14p
Combine like terms: 4p + - 14p = - 10p
-40 + - 10p = 14 + 14p + - 14p
Combine like terms: 14p + - 14p = 0
-40 + - 10p = 14 + 0
-40 + - 10p = 14
Add '40' to each side of the equation.
-40 + 40 + - 10p = 14 + 40
Combine like terms: - 40 + 40 = 0
0 + - 10p = 14 + 40
-10p = 14 + 40
Combine like terms: 14 + 40 = 54
-10p = 54
Divide each side by '-10'.
p = - 5.4
Simplifying
p = - 5.4
Step-by-step explanation:
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Keith Reid
23 October, 00:00
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p=3
Step-by-step explanation:
4p-40=7 (-2p+2)
4p-40=-14p+14
-40=-18p+14
-54=-18p
p=3
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