Online math solver with free step by step solutions to algebra, calculus, and other math problems. Get help on the web or with our math app. 3 x − 5 = 25 − 3 x; 2 x 2 + 55 x − 87 = 0; graph of a circle with radius 10 and center at (15,-3) 2, 9, 16, 23, 30; 0.15 (y − 0.2) = 2 − 0.5 (1 − y) find the midpoint of the points (1,2) and (3,-4) find the domain and range of (7,3),(-2,-2),(4,1),(4,1),(-9,0)(0,7) 7, 15, 23, 31, 39, 47, 55, 63; 0.003234 to scientific ; 1, 7, 13 We can add and subtract polynomials by combining like terms, which are terms that contain the same variables raised to the same exponents. For example, 5 x 2 5 x 2 and −2 x 2 −2 x 2 are like terms, and can be added to get 3 x 2, 3 x 2, but 3 x 3 x and 3 x 2 3 x 2 are not like terms, and therefore cannot be added. Simplify x^(1/3)*x^(1/5) Step 1. Use the power rule to combine exponents. Step 2. To write as a fraction with a common denominator, multiply by . Step 3. Tap for more steps 2+2x = 1 2 2 + 2 x = 1 2. Move all terms not containing x x to the right side of the equation. Tap for more steps 2x = −3 2 2 x = - 3 2. Divide each term in 2x = −3 2 2 x = - 3 2 by 2 2 and simplify. Tap for more steps x = −3 4 x = - 3 4. The result can be shown in multiple forms. Combining like terms yields. x - 2 = 10. Adding 2 to each member yields. x-2+2 =10+2. x = 12. To solve an equation, we use the addition-subtraction property to transform a given equation to an equivalent equation of the form x = a, from which we can find the solution by inspection. Example 3 Solve 2x + 1 = x - 2. EO492.

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