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3 years ago

-5x + 4 - x -1 Identify the terms, like terms, coefficients, and constants in each expression.

Mathematics

2 answers:

CaHeK987 [17]3 years ago

8 0

➡➡ Answer ⬅ ⬅

-5x + 4 - x -1

-5x-x= 1-4

-4x= -3

x= -3/-4

terms: -5x, 4, -x, -1

like terms: 4 and -1, -5x and -x

coefficients: -5 and -1

constants: 4 and 1

======================================

➤ To solve first degree equations, we must separate the numbers with unknowns that are in the equation for the left side of the equation.

➤ And we must pass the numbers without unknowns to the right side of the equals.

➤ When the numbers are on the wrong side of the equals, we change the sign every time we change sides.

➤ And to finish, we should simplify and reduce as much as possible equal to the final answer I put.

Rules:

➢ Numbers with unknowns = left side of equals

➢ Numbers without unknowns = right side of equals

➢ Changing sides = change the signal too.

Learn more how to make equations:

1- brainly.com.br/task/36203446

2- brainly.com.br/task/36384234

3- brainly.com.br/task/36533400

4- brainly.com.br/task/20870045

5- brainly.com.br/task/4465980

Good Studies !!

koban [17]3 years ago

3 0

terms: -5x, 4, -x, -1

like terms: 4 and -1, -5x and -x

coefficients: -5 and -1

constants: 4 and 1

(depending on your teacher, the - could not be considered part of the coeficient, meaning the coefficents would be -5 and 1, as well as just x, not -x)

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If y varies directly as x, and y is 48 when x is 6, which expression can be used to find the value of y when x is 2?

sertanlavr [38]

y = ( 48 *2 ) / 6

Step-by-step explanation:

If y varies directly as x they are directly proportional, which means they relate to each other in the same way....

2 : y = 6: 48

what is y if x = 2?

The value of y can be found if you write it a two fracrions

2 : y = 6 : 48

2 / y = 6 / 48

cross multiply the fractions gives

6*y = 48 *2

divide left and right of the = sign by 6 gives the answer:

y = ( 48 *2 ) / 6

(if you solve it you get y = 12 but that was not the question).

Other method:

multiply left and right of the = sign by y

2 * y/y = y *6 / 48

6y / 48 = 2 * 1

multiply left and right of the = sign by 48

6y * 48/48 = ( 48 *2 )

6y = ( 48 *2 )

divide left and right of the = sign by 6

6/6* y = ( 48 *2 )/6

y = ( 48 *2 ) / 6

(if you solve it you get y = 12 but that was not the question).

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