Answer:
The answer to this problem is B. Although you have a typo error with "-4" I believe it is "-4x",
Step-by-step explanation:
The equation is set with distributive property. Simplify that first and then move on to adding like terms.
3(2x + 10) - 10x = 26.
6x + 30 - 10x = 26.
-4x + 30 = 26.
The only equation that looks equivalent is -4x + 30 = 26 in B.
For A, it would of been correct if -10x was 10x, but it is not so mark it out.
For C, it would of been correct if there was no -10x and if there was a -20, but this is not true so mark it out as well.
For D, it would of been correct if there was a -20, but since there is no -20, this is wrong like A and C.
So B is the best option.
