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3 years ago

- 5x + 13y = -7 5x + 4y = 24 x = y= Solve the system of equations.

Mathematics

1 answer:

zmey [24]3 years ago

8 0

Well my answer for X is 4 and my answer for Y is 1

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Is f(x)= -2(3)^-x an increasing or decreasing function?

sattari [20]

Increasing. It helps to graph it out.

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3 years ago

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vaieri [72.5K]

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3 years ago

6x-2(-3x-5)=154 <br><br> What the answer

Fofino [41]

Answer:

x = 12

Step-by-step explanation:

Simplifying

6x + -2(-3x + -5) = 154

Reorder the terms:

6x + -2(-5 + -3x) = 154

6x + (-5 * -2 + -3x * -2) = 154

6x + (10 + 6x) = 154

Reorder the terms:

10 + 6x + 6x = 154

Combine like terms: 6x + 6x = 12x

10 + 12x = 154

Solving

10 + 12x = 154

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-10' to each side of the equation.

10 + -10 + 12x = 154 + -10

Combine like terms: 10 + -10 = 0

0 + 12x = 154 + -10

12x = 154 + -10

Combine like terms: 154 + -10 = 144

12x = 144

Divide each side by '12'.

x = 12

Simplifying

x = 12

7 0

4 years ago

Which of the following beat describes the solution to system of equations below? -6x+y=-3. 7x-y=3

KonstantinChe [14]

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point form:

(0, -3)

Equation form:

x = 0

y = -3

3 0

4 years ago

How to solve b(5px-3c)=a(qx-4) for x

dsp73

We want to determine x from the expression
b(5px - 3c) = a(qx - 4)

Expand each side.
5bpx - 3bc = aqx - 4a

Subtract aqx from each side.
5bpx - aqx - 3bc = - 4a
x(5bp - aq) - 3bc = - 4a

Add 3bc to each side.
x(5bp - aq) = 3bc - 4a

Divide each side by 5bp - aq
x = (3bc - 4a)/(5bp - aq)

Answer: $x= \frac{3bc-4a}{5bp-aq}$

8 0

3 years ago