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SOVA2 [1]
2 years ago
6

5(- 3x - 2) - (x - 3) = -4(4x + 5) + 13

Mathematics
1 answer:
Vedmedyk [2.9K]2 years ago
6 0

Answer:

0

Step-by-step explanation:

Let's solve your equation step-by-step.

5(−3x−2)−(x−3)=−4(4x+5)+13

Step 1: Simplify both sides of the equation.

5(−3x−2)−(x−3)=−4(4x+5)+13

5(−3x−2)+−1(x−3)=−4(4x+5)+13(Distribute the Negative Sign)

5(−3x−2)+−1x+(−1)(−3)=−4(4x+5)+13

5(−3x−2)+−x+3=−4(4x+5)+13

(5)(−3x)+(5)(−2)+−x+3=(−4)(4x)+(−4)(5)+13(Distribute)

−15x+−10+−x+3=−16x+−20+13

(−15x+−x)+(−10+3)=(−16x)+(−20+13)(Combine Like Terms)

−16x+−7=−16x+−7

−16x−7=−16x−7

Step 2: Add 16x to both sides.

−16x−7+16x=−16x−7+16x

−7=−7

Step 3: Add 7 to both sides.

−7+7=−7+7

0=0

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Evaluate 5 - (4 + 2)2
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Answer:

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Step-by-step explanation:

We can follow PEMDAS and see that first we do 4+2 which is 6.  Our equation looks like 5 - (6)2.  Since multiplication comes before subtraction we multiply 6 * 2 which is 12. Now we can fit that in 5 - 12 = -7

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Find the distance between the points (0,-9) and(4,-6)
Len [333]

Answer:

d=5

Step-by-step explanation:

1. use the distance formula: d=\sqrt{(x_{2} - x_{2} )^{2} +(y_{2} -y_{1} )^{2}

2. plug in the points: d=\sqrt{(0-4)^{2} +(-9+6)^{2}

3. solve problem inside parentheses: d=\sqrt{(-4)^{2} +(-3)^{2}

4. square -4 and -3: d=\sqrt{16+9

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3 years ago
What is the value of x in the equation 1/3x − 2/3 =− 18?
Klio2033 [76]

Answer:

x = -52

Step-by-step explanation:

\frac{1}{3}x-\frac{2}{3}=-18

Let us solve for x.

\frac{1}{3}x=-18+\frac{2}{3}

\frac{1}{3}x=-\frac{18*3}{1*3} +\frac{2}{3}

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\frac{1}{3}x=\frac{-54+2}{3}

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Use cross multiplication to find the value of x.

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