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"What does an equation equal ?" is a meaningless question.
One can more meaningfully ask "What is the solution to this equation ?"
The 'solution' of an equation is the number that the variable (the letter) must be
in order to make the equation true.
6y - 7 - 4y + 2 = 0
Combine the 'y' terms on the left side:
2y - 7 + 2 = 0
Combine the numerical terms on the left side:
2y - 5 = 0
Add 5 to each side of the equation:
2y = 5
Divide each side by 2:
y = 2.5
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Does 0 plus 0 equals 472?
Do the addition on a calculator, then see whether it is, or isn't, equal.
What does ab equals 1a plus 1B plus ab equal to?
ab=1a+1b a is equal to either 0 or two, and b is equal to a
Is 81 plus 0 equals 81 an expression?
no because it has an equal symbol in it
What is -4 plus -5 plus 2 plus -9 equals 0?
That is not a correct equation. The numbers on the left equal -16, not 0. This is an equation with no solution.
What does plus 14 equals 7 plus 7 equal?
?+14=7+7 ?=0 7+7=14
