Question

Ecuaciones
A)6×+30-5×=25
B)×-4-3×=-10+6
C)3×+2×=8×-15
D)5×-15=4×+16
E)

Answer 1

A)$6x+30-5x=25 \\ 6x-5x=25-30 \\ x=-5$

B)$x-4-3x=-10+6 \\ x-4-3x=-4 \\ -4+4=3x-x \\ 0=2x \\ \frac{0}{2}=x \\ 0=x$

C)$3x+2x=8x-15 \\ 5x=8x-15 \\ 15=8x-5x \\ 15=3x \\ \frac{15}{3} =x \\ 5=x$

D)$5x-15=4x+16 \\ 5x-4x=16+15 \\ x=31$