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What is the answer to 7y-2(8y+1)=4 ? The answer to 7y-2(8y+1)=4 is y=-2/3; Solve for y: 7y-2(8y+1)=4; The solution is y=-2/3

Rewrite x = 7 − y 2 in the standard form: 4 (− 4 1 ) (x − 7) = (y − 0) 2

2020年10月29日 · 7y-2*3=2y解题过程如下：7y-2×3=2y7y-6=2y5y=6y=6/5扩展资料解法过程方法⒈估算法：刚学解方程时的入门方法。 直接估计方程的解，然后代入原方程验证。 ⒉应用等 …

佩尔方程先用观察法得到最小解是x=8,y=3所以8^2-7*3^2=1(8^2-7*3^2)^n=1x^2-7y^2=1所以(x+y√7)(x-y√7)=(8+3√7)^n*(8-3√7)^n是具有相同运算符的项相等则x+ 结果一 题目

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