21x+15=120

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Solution for 21x+15=120 equation:


21x+15=120

We simplify the equation to the form, which is simple to understand 
21x+15=120

We move all terms containing x to the left and all other terms to the right. 
+21x=+120-15

We simplify left and right side of the equation. 
+21x=+105

We divide both sides of the equation by 21 to get x. 
x=5

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