Question

Solve and check , -0.7x+2.8=-3.14x-5.2

Answer 1

solving:

$( - 0.7 + 3.14)x = - 5.2 - 2.8$

$2.44x = - 8$

$x = \frac{ - 8}{2.44}$

now checking:

$- 0.7 \times \frac{ - 8}{2.44} + 2.8 = - 3.14 \times \frac{ - 8}{2.44} - 5.2$

$\frac{5.6}{2.44} + 2.8 = \frac{25.12}{2.44} - 5.2$

$\frac{12.432}{2.44} = \frac{12.432}{2.44}$