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Crazy boy [7]
3 years ago
12

A + a + a = 72. What is the smallest number of a?

Mathematics
1 answer:
Mazyrski [523]3 years ago
7 0

Answer:

0+40+32=72.  0 is the smallest number for it unless your trying to use decimals. a=0 for the smallest

Step-by-step explanation:

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A number is divided by 3. That quotient is increased by 12. The result is 46. Find the number.
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4x+11y=7<br><br>4x+3y=-1<br>what are the steps
andreev551 [17]

Answer:

x = -1, y = 1

Step-by-step explanation:

Given that:

\begin{bmatrix}4x+11y=7\\ 4x+3y=-1\end{bmatrix}

Isolate x for 4x + 11y = 7 which ⇒ x=\frac{7-11y}{4}

Substitute x=\frac{7-11y}{4} into the equation: which is:

\begin{bmatrix}4\cdot \frac{7-11y}{4}+3y=-1\end{bmatrix}

Drop Down to:

\begin{bmatrix}7-8y=-1\end{bmatrix}

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Thus, x=\frac{7-11y}{4}

Substitute y = 1

Hence,

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