The Basics (Algebra)
Algebra
Level
2
SOLVE: p - (2p + 5) - 5(1 - 2p) = 2(3 + 4p) - 3(p - 4)
The answer is 7.
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1 solution
p − ( 2 p − 5 ) − 5 ( 1 − 2 p ) = 2 ( 3 + 4 p ) − 3 ( p − 4 ) p − 2 p − 5 − 5 + 1 0 p = 6 + 8 p − 3 p + 1 2 9 p − 1 0 = 5 p + 1 8 ⇒ 9 p − 5 p = 1 0 + 1 8 4 p = 2 8 ⇒ p = 7