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3 years ago

Solve for b. -1lb + 7 = 40

Mathematics

1 answer:

MariettaO [177]3 years ago

7 0

Answer:

b = -33/l

Step-by-step explanation:

-1lb + 7 = 40

-1lb = 33 (subtraction property of equality)

-1lb/l = 33/l (division property of equality)

-1b/-1 = -33/l (division property of equality)

b = -33/l (solved)

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I need help please help me

iogann1982 [59]

Method 1 :

replace x and y by their value 1 and 3

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correct

Method 2 :

y = 4x - 1

2x + y = 5

y = 4x - 1

y = -2x + 5

y - y = 4x - 1 - ( -2x + 5 )

0 = 4x - 1 + 2x - 5

6x - 6 = 0

6x = 6

x = 6/6 = 1

y = 4x - 1

y = 4(1) - 1

y = 3

correct

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Step-by-step explanation:

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3 years ago

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Vadim26 [7]

Answer:

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Step-by-step explanation:

For Jillians equation look at

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Step-by-step explanation:

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