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3 years ago

An equation is shown below:

Mathematics

2 answers:

erma4kov [3.2K]3 years ago

7 0

A.) Step 1: 6x − 10 = 1; Step 2: 6x = 11

denis-greek [22]3 years ago

7 0

I would have to go with the first one because 2(3x-5)=1 is the same as 6x-10=1 then all you have to do is divide 11 by 6 and the answer should be c or in this case x=1.83 to check your work do this 6(1.83)-10 and your answer should come to .98 all you have to do is round to 1.0

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seraphim [82]

Answer:

slope: 1; y-intercept: 3

Step-by-step explanation:

The y-intercept is the y-value where the graph crosses the vertical y-axis. That value is 3.

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m = rise/run = 1/1 = 1

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Answer:

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Step-by-step explanation:

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2 years ago

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ZanzabumX [31]

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Step-by-step explanation:

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3 years ago

if you are in school for 178 days for 6 hours and 40 minutes how many hours and minutes would you be in school over all

GREYUIT [131]

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Step-by-step explanation:

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4 0

3 years ago

Read 2 more answers

Just number 9 would be fine please but also if you could number 10 would help

topjm [15]

Answer:

9. a = -7

10. x = 1

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define equation

a + 6a - 14 = 3a + 6a

Step 2: Solve for a

Combine like terms: 7a - 14 = 9a
Subtract 7a on both sides: -14 = 2a
Divide 2 on both sides: -7 = a
Rewrite: a = -7

Step 3: Check

Plug in a into the original equation to verify it's a solution.

Substitute in a: -7 + 6(-7) - 14 = 3(-7) + 6(-7)
Multiply: -7 - 42 - 14 = -21 - 42
Subtract: -49 - 14 = -63
Subtract: -63 = -63

Here we see that -63 is equal to -63.

∴ a = -7 is a solution of the equation.

Step 4: Define equation

-12 - 4x = 8x + 4(1 - 7x)

Step 5: Solve for x

Distribute 4: -12 - 4x = 8x + 4 - 28x
Combine like terms: -12 - 4x = -20x + 4
Add 20x on both sides: -12 + 16x = 4
Add 12 on both sides: 16x = 16
Divide 16 on both sides: x = 1

Step 6: Check

Plug in x into the original equation to verify it's a solution.

Substitute in x: -12 - 4(1) = 8(1) + 4(1 - 7(1))
Multiply: -12 - 4 = 8 + 4(1 - 7)
Subtract: -16 = 8 + 4(-6)
Multiply: -16 = 8 - 24
Subtract: -16 = -16

Here we see that -16 does indeed equal -16.

∴ x = 1 is a solution of the equation.

7 0

3 years ago