3(p-2)-7(p+1)=-1

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Solution for 3(p-2)-7(p+1)=-1 equation:


Simplifying
3(p + -2) + -7(p + 1) = -1

Reorder the terms:
3(-2 + p) + -7(p + 1) = -1
(-2 * 3 + p * 3) + -7(p + 1) = -1
(-6 + 3p) + -7(p + 1) = -1

Reorder the terms:
-6 + 3p + -7(1 + p) = -1
-6 + 3p + (1 * -7 + p * -7) = -1
-6 + 3p + (-7 + -7p) = -1

Reorder the terms:
-6 + -7 + 3p + -7p = -1

Combine like terms: -6 + -7 = -13
-13 + 3p + -7p = -1

Combine like terms: 3p + -7p = -4p
-13 + -4p = -1

Solving
-13 + -4p = -1

Solving for variable 'p'.

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

Add '13' to each side of the equation.
-13 + 13 + -4p = -1 + 13

Combine like terms: -13 + 13 = 0
0 + -4p = -1 + 13
-4p = -1 + 13

Combine like terms: -1 + 13 = 12
-4p = 12

Divide each side by '-4'.
p = -3

Simplifying
p = -3

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