(a+200).2=946(k. 8):4=320

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To solve this equation, we need to simplify it step by step.

Starting with (a+200).2=946:

Distribute the 2 to both terms inside the parentheses: 2a + 400 = 946Subtract 400 from both sides to isolate the variable: 2a = 546Divide by 2 to solve for a: a = 273

Now moving on to (k. 8):4=320:

Multiply 4 by 320: 4 * 320 = 1280Add 8 to k: k + 8 = 1280Subtract 8 from both sides to solve for k: k = 1272

Therefore, the solutions to the equations are a = 273 and k = 1272.