Question

resolva as equações:



2a - 3 • (4 - a) 8

40 = 35 - 4 • (x + 6)

75 - 3 • (a + 25) = 0

4 • (a - 3) - 3 • (4 + a) = 0

Answer 1

5a= 20
a= 20/5
a=4

5=4x-24
29=4x
29/4=x

a=0

4a + (-12) - 12 + (-3a) = 0
-24 + a
a= 24