7(p-21)-10=3p+9

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Solution for 7(p-21)-10=3p+9 equation:


Simplifying
7(p + -21) + -10 = 3p + 9

Reorder the terms:
7(-21 + p) + -10 = 3p + 9
(-21 * 7 + p * 7) + -10 = 3p + 9
(-147 + 7p) + -10 = 3p + 9

Reorder the terms:
-147 + -10 + 7p = 3p + 9

Combine like terms: -147 + -10 = -157
-157 + 7p = 3p + 9

Reorder the terms:
-157 + 7p = 9 + 3p

Solving
-157 + 7p = 9 + 3p

Solving for variable 'p'.

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

Add '-3p' to each side of the equation.
-157 + 7p + -3p = 9 + 3p + -3p

Combine like terms: 7p + -3p = 4p
-157 + 4p = 9 + 3p + -3p

Combine like terms: 3p + -3p = 0
-157 + 4p = 9 + 0
-157 + 4p = 9

Add '157' to each side of the equation.
-157 + 157 + 4p = 9 + 157

Combine like terms: -157 + 157 = 0
0 + 4p = 9 + 157
4p = 9 + 157

Combine like terms: 9 + 157 = 166
4p = 166

Divide each side by '4'.
p = 41.5

Simplifying
p = 41.5

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