Question

PLS HURRY
Which equation requires the multiplication property of equality to be solved?
6 a = 420
a + 6 = 420
StartFraction a Over 6 EndFraction = 420
a minus 6 = 420

Answer 1

SOLUTION

TO CHOOSE THE CORRECT OPTION

The equation requires the multiplication property of equality to be solved

6 a = 420

a + 6 = 420

$\displaystyle \sf{ \frac{a}{6} = 420 }$

a - 6 = 420

EVALUATION

First equation is 6a = 420

To solve this equation we need to use division property

$\displaystyle \sf{ \implies \: a = \frac{420}{6} }$

$\displaystyle \sf{ \implies \: a = 70 }$

Second equation is a + 6 = 420

To solve this equation we need to use subtraction property

⇒ a = 420 - 6

⇒ a = 414

Third equation is

$\displaystyle \sf{ \frac{a}{6} = 420 }$

To solve this equation we need to use multiplication property

$\displaystyle \sf{ \implies \: a = 420 \times 6 }$

$\displaystyle \sf{ \implies \: a = 2520 }$

Fourth equation is a - 6 = 420

To solve this equation we need to use addition property

⇒ a = 420 + 6

⇒ a = 426

FINAL ANSWER

Hence the correct option is

$\displaystyle \sf{ \frac{a}{6} = 420 }$

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