X-4 1 = 5 3 8 3 + x = 12 11 X-5 2-7 2 = 5 3 Help me solve these three equations!

X-4 1 = 5 3 8 3 + x = 12 11 X-5 2-7 2 = 5 3 Help me solve these three equations!

X-1 / 4 = 3 / 5
x=1/4+3/5
x=17/20
3 / 8 + x = 11 / 12
x=11/12-3/8
x=13/24
X-2 / 5-2 / 7 = 3 / 5
x=3/5+2/5+2/7
X = 1 and 2 / 7
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