$6,050 was invested at 8%
$4,650 was invested at 4%
How much was invested in each account?
Given these two equations:
x = y + 1400
x - y = 1400 equation 1
0.08x + 0.04y = 670 equation 2
The first step is multiply equation 1 by 0.08
0.08x - 0.08y = 112 equation 3
Subtract equation 3 from equation 2
0.12y = 558
Divide both sides by 0.12
y = 558 / 0.12
y = $4,650
x = $4,650 + 1400
x = $6,050
To learn more about simultaneous equations, please check: https://brainly.com/question/25875552
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