3 years ago

4x + 5 = 6x – 7 solve for x

Mathematics

1 answer:

Hoochie [10]3 years ago

8 0

Answer:

x = 6

Step-by-step explanation:

4x + 5 = 6x - 7 subtract 4x from both sides

5 = 2x - 7 now add 7 to both sides

12 = 2x finally divide both sides by 2

x = 6

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gregori [183]

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Step-by-step explanation:

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3 years ago

2(3x-1)-3x+4 <br><br> HELP WHAt Is THE ANSWER

11111nata11111 [884]

Step-by-step explanation:

You can use the distributive formula to answer:

a(b - c) = ab - ac

2(3x - 1) - 3x + 4

6x - 2 - 3x + 4

Simplify by the common terms:

3x + 2

That is the answer

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3 years ago

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Evaluate 5(r+12) when r=3.

Veronika [31]

Answer:

The answer is 75

Step-by-step explanation:

5(3+12)

15+60

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3 years ago

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Use the order of operations to simplify the expression.<br> 4[3+3(5-1)]<br> What is the answer?

Nitella [24]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{60}}}}}$

Step-by-step explanation:

Using PEMDAS rule

Parentheses, Exponents , Multiplication, Division, Addition, Subtraction

$\sf{4 [ 3 + 3(5 - 1) ]}$

Subtract 1 from 5

$\longrightarrow{ \sf{4 [3 + 3 \times 4 ]}}$

Multiply the numbers : 3 and 4

$\longrightarrow{ \sf{4 [ 3 + 12 ]}}$

Add the numbers : 3 and 12

$\longrightarrow{ \sf{4 \times 15}}$

Multiply the numbers : 4 and 15

$\longrightarrow{ \sf{60}}$

Hope I helped!

Best regards! :D

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3 years ago

What does x equal if 2.3-5x=3x-5.7 and can you please explain how to do this thanks?

sergejj [24]

$2.3-5x=3x-5.7 \\ \\-5x -3x = -5.7 - 2.3 \\ \\-8x = -8 \ \ /: (-8) \\ \\x=1$

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3 years ago

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