-9(2p+5)-7(p-27)=21p-40p

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Solution for -9(2p+5)-7(p-27)=21p-40p equation:


Simplifying
-9(2p + 5) + -7(p + -27) = 21p + -40p

Reorder the terms:
-9(5 + 2p) + -7(p + -27) = 21p + -40p
(5 * -9 + 2p * -9) + -7(p + -27) = 21p + -40p
(-45 + -18p) + -7(p + -27) = 21p + -40p

Reorder the terms:
-45 + -18p + -7(-27 + p) = 21p + -40p
-45 + -18p + (-27 * -7 + p * -7) = 21p + -40p
-45 + -18p + (189 + -7p) = 21p + -40p

Reorder the terms:
-45 + 189 + -18p + -7p = 21p + -40p

Combine like terms: -45 + 189 = 144
144 + -18p + -7p = 21p + -40p

Combine like terms: -18p + -7p = -25p
144 + -25p = 21p + -40p

Combine like terms: 21p + -40p = -19p
144 + -25p = -19p

Solving
144 + -25p = -19p

Solving for variable 'p'.

Move all terms containing p to the left, all other terms to the right.

Add '19p' to each side of the equation.
144 + -25p + 19p = -19p + 19p

Combine like terms: -25p + 19p = -6p
144 + -6p = -19p + 19p

Combine like terms: -19p + 19p = 0
144 + -6p = 0

Add '-144' to each side of the equation.
144 + -144 + -6p = 0 + -144

Combine like terms: 144 + -144 = 0
0 + -6p = 0 + -144
-6p = 0 + -144

Combine like terms: 0 + -144 = -144
-6p = -144

Divide each side by '-6'.
p = 24

Simplifying
p = 24

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