The simplification of -2(-5n + 6) + 5( 2 - 7n ) is
22 - 45n
An expression is a mathematical phrase containing variables, constants, and operators.
Expressions with unknown are called algebraic expressions.
To simplify the expression
2(-5n + 6) + 5( 2 - 7n )
we first open the parentheses
= -10n + 12 + 10 - 35n
collect like terms
= -10n - 35n + 12 + 10
= -45n + 22
= 22 - 45n
Therefore the simplification of -2(-5n + 6) + 5( 2 - 7n ) is 22 - 45n