-7(2p-7)+4(2+5p)=39

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Solution for -7(2p-7)+4(2+5p)=39 equation:


Simplifying
-7(2p + -7) + 4(2 + 5p) = 39

Reorder the terms:
-7(-7 + 2p) + 4(2 + 5p) = 39
(-7 * -7 + 2p * -7) + 4(2 + 5p) = 39
(49 + -14p) + 4(2 + 5p) = 39
49 + -14p + (2 * 4 + 5p * 4) = 39
49 + -14p + (8 + 20p) = 39

Reorder the terms:
49 + 8 + -14p + 20p = 39

Combine like terms: 49 + 8 = 57
57 + -14p + 20p = 39

Combine like terms: -14p + 20p = 6p
57 + 6p = 39

Solving
57 + 6p = 39

Solving for variable 'p'.

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

Add '-57' to each side of the equation.
57 + -57 + 6p = 39 + -57

Combine like terms: 57 + -57 = 0
0 + 6p = 39 + -57
6p = 39 + -57

Combine like terms: 39 + -57 = -18
6p = -18

Divide each side by '6'.
p = -3

Simplifying
p = -3

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