Answer:
x=27
Step-by-step explanation:
5 multiplied by x=5x
5 times 3 =15
so 5x+15
4 times x= 4x
4 times -3 = -12
so 5x+15=4x-12
move 4x next to 5x
move 15 next to -12
5x-4x=-12-15
(remember when you transpose a positive number it becomes a negative and vice versa!)
x=-27
