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Simplifying 690 = 7x + 4y Solving 690 = 7x + 4y Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. 690 + -7x = 7x + -7x + 4y Combine like terms: 7x + -7x = 0 690 + -7x = 0 + 4y 690 + -7x = 4y Add '-690' to each side of the equation. 690 + -690 + -7x = -690 + 4y Combine like terms: 690 + -690 = 0 0 + -7x = -690 + 4y -7x = -690 + 4y Divide each side by '-7'. x = 98.57142857 + -0.5714285714y Simplifying x = 98.57142857 + -0.5714285714y
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