Hapter Quiz
If line HC and line GD are parallel, which statement is true?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2