TAREA Nº 11 ECUACIONES DE PRIMER GRADO CON UNA INCÓGNITA HALLAR EL CONJUNTO SOLUCIÓN DE LAS ECUACIONES

1) xx= 2

2) x + 1 = 0

3) 2x - 7 = 5x + 2

4) 5x - 2x + 1 = x - 11

5) x+ 2x - 2 = 3x - 2

6) 6x +7- 2x = - x -

8

7)-9-7x 6- 2x - 10

I dont understand u

Step-by-step explanation:

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)