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Simplifying 1.8 + -0.7a = 2a Solving 1.8 + -0.7a = 2a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2a' to each side of the equation. 1.8 + -0.7a + -2a = 2a + -2a Combine like terms: -0.7a + -2a = -2.7a 1.8 + -2.7a = 2a + -2a Combine like terms: 2a + -2a = 0 1.8 + -2.7a = 0 Add '-1.8' to each side of the equation. 1.8 + -1.8 + -2.7a = 0 + -1.8 Combine like terms: 1.8 + -1.8 = 0.0 0.0 + -2.7a = 0 + -1.8 -2.7a = 0 + -1.8 Combine like terms: 0 + -1.8 = -1.8 -2.7a = -1.8 Divide each side by '-2.7'. a = 0.6666666667 Simplifying a = 0.6666666667
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