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Mathematics, 23.08.2019 05:30 jaymoney0531

Use substitution to solve each of the following pairs of simultaneous equations.
a) 2x + 7y = 17
x = 1 - 3y / 4
b) -2x - 3y = -14
x = 2 + 5y / 3
c) 3x + 2y = 6
y = 3 - 5x / 3

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