Combine like terms such that each variable only appears once.
$0.5z+.25z-1.35+1.55$

Use the distributive property to simplify the expression.

$0.6(-8x+2.5)$

Use the distributive property to simplify the expression.

$x(x+5)$

Use the distributive property to simplify the expression.

$x(2x+7y)$

Combine like terms such that each variable only appears once.

$\frac{3}{4}x+\frac{1}{2}x$

Simplify the following by combining like terms.

$\frac{1}{2}x+\frac{3}{4}x-\frac{1}{2}y+\frac{1}{2}y$

Simplify the following by combining like terms.

$2m+3n-p+4m-2n+5p$

Simplify the expression.

$7(x-3)+10$

Simplify the expression.

$6(2a-b)+4(3a+5b)$