First move all the numbers without "x" to one side and move all the numbers with "x" to the other side by adding/subtracting [tex]3x-7+7=5x+19+7[/tex] [tex]3x=5x+19+7[/tex] [tex]3x-5x=5x-5x+19+7[/tex] [tex]3x-5x=19+7[/tex]
To check your work, plug in the value of x you got back into the original equation [tex]3(-13)-7=5(-13)+19[/tex] [tex]-39-7=-63+19[/tex] [tex]-46=-46[/tex] Both sides are equal so the answer is right!