SOLUTION: Four times a number minus twice another number is -16. The sum of the two numbers is -1.

SOLUTION: Four times a number minus twice another number is -16. The sum of the two numbers is -1.

Algebra.Com

Question 531541: Four times a number minus twice another number is -16. The sum of the two numbers is -1.
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
x + y = -1
so
x = -y-1
.
4x -2y = -16
.
substitute
.
4(-y -1) -2y = -16
.
-4y -4 -2y = -16
.
-6y = -12
.
y = 2
.
x + y = -1
.
x + 2 = -1
.
x = -3
.
Answer: x = -3, y = 2
.
Done.
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