Q. Is r=14 a solution to this equation?−7=−r98Choices:(A)yes(B)no
Identify Equation: We have the equation:−7=−r98Identify the equation after substituting r=14.Substitute 14 for r in −7=−r98. Equation: −7=−1498
Substitute r=14: Simplify −1498.−1498=−7
Simplify Expression: We found: −1498=−7Is r=14 a solution to the equation −7=−r−98?For r=14, the equation becomes −7=−7, which is true.So, r=14 is a solution to the equation −7=−r−98.