| Solution : | 55-5x=77 -5x = 77 - 55 -5x = 22 -5x / -5 = 22 / -5 x = -4.4 |
For 55-5x=77, group like terms on each side of the equal sign. and isolate the "-5X" term on one side of the equation by adding or subtracting to combine like terms across the equal sign. Finally divide both sides of the equation by the -5 to solve for "x".
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