I think you would put 570 in the blank since 19 x 3 = 57
Answer:
The solution is (x,y)=(-4,-1)
Step-by-step explanation: Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.
Answer:
Let's solve your equation step-by-step.
x−7=−2
Step 1: Add 7 to both sides.
x−7+7=−2+7
x=5
Step-by-step explanation:
Step 1: Add 7 to both sides.
x−7+7=−2+7
x=5