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Earn +20 ptsQ: How do you solve 21x-7y equals 4?
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2y equals 4 solve for y?
2y = 4 (divide both sides by 2 to solve) y = 2
Solve for the variable t plus 8 equals 4?
t=-4
Solve 2a plus 3 equals 11?
a = 4
How do you solve -4x-4 equals -16?
-4x-4 equals -16. Add 4 to both sides; -4x equals -12. Divide both sides by -4; x equals 3.
How do you solve x plus 4 equals 8?
x=4From superscot85: How you solve it is to subtract 4 from each side leaving x = 4
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