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mote1985 [20]
3 years ago
7

Solve for r. 19 − 17r = -16r

Mathematics
1 answer:
ELEN [110]3 years ago
8 0

Answer:

$19=r$

Step-by-step explanation:

$19-17r=-16r$

Add 17r to both sides:

$19-17r+17r=-16r+17r$

$19=-16r+17r$

$19=r$

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Solve – 6(x – 3) + x + 3 = -9 for x.
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In this equation, the value of x is equal to 6.

Step-by-step explanation:

We are given an algebraic equation in which we need to solve for x.

We can use several properties and algebraic methods to solve this equation.

\displaystyle -6(x - 3) + x + 3 = -9

Firstly, we want to use the distributive property to evaluate the first term in the equation: -6(x - 3).

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Then, we can combine our terms with variables.

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Now, we can use the subtraction property of equality which states that if we subtract a term from one side of an equation, we must also subtract it from the opposite side. Therefore, we want to get x by itself, so we can subtract 21 from both sides using the subtraction property of equality to do this.

-5x + 21 = -9\\\\-5x + 21 - 21 = -9 -21\\\\-5x = -30

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