in algebra, if what you do to one side of the equation you do to the other side you do not change things and you can solve for the unknown
2n-5 = 7
add 5 to BOTH sides
2n-5 + 5 = 7 + 5
2n = 12
Divide BOTH sides by 2
n = 6
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The answer to the problem of 7-3x equals 34 is x equals -9.
m = -1
It is: 7.0*10^0 = 7
this is an additional problem
7 times 18