Twice a number subtracted from four times a number, added to 15.
1 answer:
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See photo for solution and mark me as brainliest if i helped :)
A: although it seems like they are forming a 90º angle, they actually add up to a 89 º angle and therefore are not complementary
B: see photo
A: although it seems like they are forming a 90º angle, they actually add up to a 89 º angle and therefore are not complementary
B: see photo
Start from
It may be useful to multiply the whole expression by 2, in order to get rid of denominators:
Distribute the negative sign in the left hand side:
Move all terms involving x to the left, and all constants to the right:
Sum like terms:
DIvide both sides -5: