Grade 8 math · I.1 · Equations in one variable
Equations with variables on both sides: positive numbers
Collect the x terms on one side and the plain numbers on the other, then divide.
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See worked examples
Solve for x: 3x − 3 = 2x + 5
Answer: 8
Solve for x: 5x − 2 = x + 14
Answer: 4
Solve for x: 5x − 10 = 3x − 8
Answer: 1
Tip: Collect the x terms on one side and the plain numbers on the other, then divide.
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