How do you solve the system of equations #10y = 3x + 8# and #x = 2y#?

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Answer 1 · 2018-01-26T04:32:24

See below

# x = 2y # ----(1)

# 10y = 3x + 8#

Use value of (1)

# 10y = 3(2y) + 8#

# 10y = 6y + 8#

# 10y - 6y = 8#

# 4y = 8#

Divide by four both sides

# y = 2#

Put this value in (1)

# x = 2(2)#

# x = 4#