Q. What value of w is a solution to this equation?w+10=20Choices:(A)w=10(B)w=12
Subtract 10 from both sides: Given the equation w+10=20, we want to isolate the variable w on one side of the equation. To do this, we subtract 10 from both sides of the equation.Calculation: w+10−10=20−10
Simplified equation: After performing the subtraction, we get the simplified equation: w=10
Verify solution by substitution: We check our solution by substituting w=10 back into the original equation to verify if it satisfies the equation.Calculation: 10+10=20
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