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8th grade solving two step equations answer key

8th grade solving two step equations answer key

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SOLVING EQUATIONS_VARIABLES ON BOTH SIDES #3 Di uns: Solve for x in each equation below. Use inverse operations to get the variable all by itself on one side of the equation, and then get the integers (numbers) alone on the other side of the equation. Examples: 5x - 2 = x + 26 (add 2 to both sides) 5x + 12 = 2x - 9 (subtract 12 from both sides) 5x=x+28 (subtract x from both sides) 5x = 2x - 21 (subtract 2x from both sides) 4x = 28 (divide both sides by 4) 3x = -21 (divide both sides by 3) x=7 x= -7 1) 3x - 21 + 2x + 5 - 2x 1x 215 5 IST +21 2) 6x - 64 + 2x +44 - 23 44-64 +44 +64 +64 4x = 108 3) 8x – 20 € 2x + 34 - 2x 1- ZT 6x - 207 3 4 +20 F +20 6x 54 4) 4x - 18 x + 3 -IX Et 34 7 3 + 18 8x & 21 33 = 7 IX = 26 x + 27 3 Х x x & 9 9 x = _26 x = _ 27 x = x = 7 5) 7x +21 = 24 - 49 - 2x 5x +27= -49 6) 6x + 68 € 2x - 44 - 2x 44 7) 8x + 72 2 - 36 - 2x 2x Ex +701 - 36 8) 4x + 21 Ex-18 -Ix 第 ...
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