You can put this solution on YOUR website! x = brother age now
y = sister age now
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x + 4 = 2(y + 4)
x + y = 46
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put the system of linear equations into standard form
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x + 4 = 2y + 8
x + y = 46
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x - 2y = 4
x + y = 46
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = brother age now = 32
y = sister age now = 14
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Solve and graph linear equations:
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Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
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Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php
