Question 1031138: Using both the addition principle and multiplication principle, solve:
x + 1/4 x=10 Found 2 solutions by ikleyn, josgarithmetic:Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website! .
Using both the addition principle and multiplication principle, solve:
x + 1/4 x=10
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I don't know these principles.
I simply do this:
= ,
= ,
= ,
x = ,
x = 8.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website! Fraction skills, too. -----computation and commutative property ----multiplication principle
----commutative property of multiplication again -----simplification computation on right member, multiplicative inverse property on the left member.