Using the terms below, group like terms and State the variable, coefficient and degree
2x, 3y³,-4/x, x³, ab, x, 2y³, 2ab, 6/y³, -14x​

= 3a + 7b - 8c

Step-by-step explanation:

In addition of algebraic expressions while adding algebraic expressions we collect the like terms and add them. The sum of several like terms is the like term whose coefficient is the sum of the coefficients of these like terms.

Horizontal Method: In this method, all expressions are written in a horizontal line and then the terms are arranged to collect all the groups of like terms and then added.

(6a + 8b - 7c) + (2b + c - 4a) + (a - 3b - 2c)  

= 6a + 8b - 7c + 2b + c - 4a + a - 3b - 2c  

Arrange the like terms together, then add.  

Thus, the required addition  

= 6a - 4a + a + 8b + 2b - 3b - 7c + c - 2c  

= 3a + 7b - 8c

Column Method: In this method each expression is written in a separate row such that there like terms are arranged one below the other in a column. Then the addition of terms is done column wise.

6a + 8b - 7c  

- 4a + 2b +  c  

    a - 3b - 2c  

  3a + 7b - 8c  

 = 3a + 7b - 8c

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step-by-step explanation: