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this is what i come up with:Simplifyingx + -7 = x + 19Reorder the terms:-7 + x = x + 19Reorder the terms:-7 + x = 19 + xAdd '-1x' to each side of the equation.-7 + x + -1x = 19 + x + -1xCombine like terms: x + -1x = 0-7 + 0 = 19 + x + -1x-7 = 19 + x + -1xCombine like terms: x + -1x = 0-7 = 19 + 0-7 = 19Solving-7 = 19The left and right sides are not equal, therefore there is no solution.