Question

resover cada ecuacion

x=5x-13
9x-4=2x
x+5x=-10+3
4x-5x-9=3x+4x
4x-9x+2=7x-5x-9
3x-8x+9x=12-7x
ayuda urgente

Answer 1

1)×-5×=-13
-4×=-13/*-1
4×=13
×=13÷4
×=3.25
2) 9×-2×=4
7×=4
×=4÷7
×=0.57
3) 6×=-7
×= -7÷6
x= -1.16667
4) 4×-5×-3×-4×=9
-8×=9/*-1
×=9÷8
×=1.125