Question

How do you solve `5( x + 7) - 3( 3x - 2) = 15\times 3`?

Answer 1

Expand the brackets, in this you have to do this
`x(a+-b)=xa+-xb`
`5x+35-6x+6=45`
Notice it is +6 because the equation asks us to do `-3xx-2`
Solve
`-x+41=45`
Transfer 41
`-x=45-41`
`-x=4`
`x=-4`