Triangle area formula 1/2bxh
12/2=6 6x12=72
A sequence of operations that will get you to the solution is ...
... d. multiply each side by-5, add 25 to each side
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That is not the only correct sequence of operations. However the other ones listed here are incorrect ways to get to x = -10.
You can do whatever multiplication and addition you like to each side of the equation, but if those operations are poorly chosen, they will make finding the solution more difficult.
Answer:
B
Step-by-step explanation:
16x+3y=251 and 8x+4y=148 then you set them up to each other and cancel one coefficient through elimination or find out what X or Y equals and substitute into either equation