-- Add 5p to each side of the equation.
-- Add 15 to each side of the equation.
-- Look at the equation and find the one last step that will give you " p = a number ",
which is the solution.
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5p - 3 = 15Add 3 to each side:5p = 18Divide each side by 5:p = 18/5 = 3.6
5p-14 = 8p +4 take the 14 to the other side and the 8p to the other side so 5p-8p = 4 +14 -3p = 18 p = -18/3
x=15
To solve for p, set up the equation 5p + 9 = p - 3 5p = p - 12 4p = -12 p = -3 to prove the answer, substitute -3 for p and prove 5(-3) + 9 = (-3) -3 -15 + 9 = -6 -6 = -6
Oh honey, that's simple math. 15 of those little 5p coins will add up to 75p. Easy peasy lemon squeezy!