Question Solve the equation x=18 Evaluate 4x−21=51Move the constant to the right-hand side and change its sign 4x=51+21Add the numbers 4x=72Divide both sides 44x=472Divide the numbers x=472Solution More Steps Evaluate 472Reduce the numbers 118Calculate 18 x=18 Show Solution Rewrite the equation x=18 Evaluate 4x−21=51Move the constant to the right side 4x=72Solution x=18 Show Solution Graph
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