Solve for: 12-(-3)+(2 * 5-4 * 3)/2

Expression: $12-\left( -3 \right)+\left( 2 \times 5-4 \times 3 \right)\div2$

When there is a $-$ in front of an expression in parentheses, change the sign of each term of the expression and remove the parentheses

$12+3+\left( 2 \times 5-4 \times 3 \right)\div2$

Multiply the numbers

$12+3+\left( 10-4 \times 3 \right)\div2$

Multiply the numbers

$12+3+\left( 10-12 \right)\div2$

Calculate the difference

$12+3-2\div2$

Any expression divided by itself equals $1$

$12+3-1$

Calculate the sum or difference

$14$