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Algebra

SAT Algebraic Manipulations

         

If \(5x+13 = a\), which of the following equals \(10x+26\)?

(A) \(\ \ -2a\)
(B) \(\ \ a\)
(C) \(\ \ 2a\)
(D) \(\ \ 2b\)
(E) \(\ \ 10b+26\)

If \(12x+17 = 7\), what is the value of \(12x-17\)?

(A) \(\ \ -44\)
(B) \(\ \ -27\)
(C) \(\ \ -10\)
(D) \(\ \ -7\)
(E) \(\ \ 27\)

If \(6x-30=450\), which of the following equals \(x-5\)?

(A) \(\ \ 5\)
(B) \(\ \ 6\)
(C) \(\ \ 75\)
(D) \(\ \ 80\)
(E) \(\ \ 480\)

If \(y=x-5\) and \(14y+15y=29\), what is the value of \(x\)?

(A)\(\ \ -4\)
(B)\(\ \ 1\)
(C)\(\ \ 6\)
(D)\(\ \ 29\)
(E) \(\ \ 34\)

If \(83000=1000(8p+3)\), which of the following equals \(p\)?

(A) \(\ \ \frac{1}{10}\)
(B) \(\ \ 1\)
(C) \(\ \ 10\)
(D) \(\ \ 100\)
(E) \(\ \ 1000\)

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