-4x +12 -12 = -4 -12
-4x = -16
x = 4
Answer:
not sure but i think its 425 cm
Step-by-step explanation:
for the square i dont know
how its called in english the surface is 25×10= 250cm
and for the triangle its (25×14):2 = 175cm
so 175 + 250= 425cm
no because one is negative and the other is positive so no it didn't