Question

решите уравнение 3 = 4(х+2)
-7=5(х+5)

Answer 1

1) 3 = 4(х+2); 3=4x+8; -4х=5; x = -5/4. 

2) -7=5(х+5); -7 = 5x+25; -5x=32; x = -32/5.