Q: What operations are involved in the expressions 2x plus 7 and 3x plus 6?

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It is: 2x(2x+11)

These are two expressions, not equations. Expressions do not have solutions, only equations do. NB equations include the equals sign.

The first and third are quadratic expressions in x, the second is a quadratic expressions in n, and the fourth is a quadratic expressions in y. None of them are equations so cannot be solved.

You can use them to find a variable. Lets say you have two equivalent expressions with the same variable... x + 2x - 42 = 0 2x - 28 = 0 If you combine these equivalent expressions you ahve... x + 2x - 42 = 2x - 28 In all of the expressions you have x = 7 There are also other applications but its confusing to explain.

Without any equality signs the given expressions can't be considered to be straight line equations but in general parallel straight line equations will have the same slope but different y intercepts.

Related questions

It is: 2x(2x+11)

These are two expressions, not equations. Expressions do not have solutions, only equations do. NB equations include the equals sign.

There appears to be no equation in the question: only some disjoint expressions. Expressions cannot be solved.

Two linear expressions with a sum of -5x plus 4 are ( -5x + 4 ) and ( 4 - 5x).

(16 + 4x)/2 2(4 + x)

The first and third are quadratic expressions in x, the second is a quadratic expressions in n, and the fourth is a quadratic expressions in y. None of them are equations so cannot be solved.

You need at least two expressions to find something in common between them. The GCF of 2x and 10 is 2.

Depending on the missing operational sign, that would be 2(x plus or minus 8)

You can use them to find a variable. Lets say you have two equivalent expressions with the same variable... x + 2x - 42 = 0 2x - 28 = 0 If you combine these equivalent expressions you ahve... x + 2x - 42 = 2x - 28 In all of the expressions you have x = 7 There are also other applications but its confusing to explain.

Without any equality signs the given expressions can't be considered to be straight line equations but in general parallel straight line equations will have the same slope but different y intercepts.

8x-4

No because without any equality signs the given expressions can't be considered to be equations