문자와 식 전체 문제

In the following exercises, simplify using the commutative and associative properties.

$52m+(-20n)+(-18m)+(-5n)$

In the following exercises, simplify using the distributive property.

$7(x+9)$

In the following exercises, simplify using the distributive property.

$9(u-4)$

In the following exercises, simplify using the distributive property.

$-3(6m-1)$

In the following exercises, simplify using the distributive property.

$-8(-7a-12)$

In the following exercises, simplify using the distributive property.

$\frac{1}{3}(15n-6)$

In the following exercises, simplify using the distributive property.

$(y+10)\cdot p$

In the following exercises, simplify using the distributive property.

$(a-4)-(6a+9)$

In the following exercises, simplify using the distributive property.

$4(x+3)-8(x-7)$

In the following exercises, identify whether each example is using the identity property of addition or multiplication.

$-35(1)=-35$

In the following exercises, identify whether each example is using the identity property of addition or multiplication.

$29+0=29$

In the following exercises, identify whether each example is using the identity property of addition or multiplication.

$(6x+0)+4x=6x+4x$

In the following exercises, identify whether each example is using the identity property of addition or multiplication.

$9\cdot 1+(-3)=9+(-3)$

In the following exercises, find the additive inverse.

$-32$

In the following exercises, find the additive inverse.

$19.4$

In the following exercises, find the additive inverse.

$\frac{3}{5}$

In the following exercises, find the additive inverse.

$-\frac{7}{15}$

In the following exercises, find the multiplicative inverse.

$\frac{9}{2}$

In the following exercises, find the multiplicative inverse.

$-5$

In the following exercises, find the multiplicative inverse.

$\frac{1}{10}$