5{x_1} +2 {x+3} +6= 10
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5{x_1} +2 {x+3} +6= 10
=5x-5+2x+3+16=10
=7x-5+3+16=10
=7x+14=10
=7x= -4
=x= -4/7
=5x-5+2x+3+16=10
=7x-5+3+16=10
=7x+14=10
=7x= -4
=x= -4/7
anjali77743:
but 5x +2x = 7x not 8x
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